"212" (two-one-two) is the debut single by American rapper Azealia Banks. The musical base of the track is the song "Float My Boat" by Belgian DJ Jef Martens and his brother Toon (under the alias "Lazy Jay"), who also produced Banks' version. The song was first released on December 6, 2011 in the United Kingdom as the lead single from her 2012 EP 1991, and is also included on her debut studio album Broke with Expensive Taste (2014). The song is named after the area code 212 which covers Manhattan, New York where Banks grew up. In September 2011, the song was chosen as the Record of the Week by Nick Grimshaw on BBC Radio 1. The song was included in many publications' end-of-year lists for 2011, being ranked at number 9 by Pitchfork Media and number 2 by The Guardian.

The song received universal acclaim, with critics complimenting Banks' versatile rapping style as well as her songwriting ability. The Guardian gave the song a positive review and placed it at number 2 on their The Best Songs of 2011 list. In the review, Michael Cragg praised the song, calling it "a startling three and a half minutes of attitude" as well as "incredible." Carrie Battan of Pitchfork Media named the song "best new track", lauding Banks' "unpredictable vocal range" and wrote, "She clicks between characters and styles casually, effortlessly. No seams. A jaw-slackening demo reel." Thomas H. Green from The Independent called it "a potty-mouthed sex song that encapsulates the way the current US explosion in EDM has adapted and adopted European rave, mixing the style with hip-hop and R&B stylistic tics."NME dubbed the song number 18 on their 50 Best Tracks Of 2011, calling it "mischievous, quick-witted and full of filthy cunnilanguage: it’s made Azealia Banks the coolest girl on the planet, and it delivered on 2011’s forward-thinking promise."NPR Music gave the song a positive review and listed it as one of their 100 Favorite Songs Of 2011, calling the song "the raunchiest shut-down of 2011."The Village Voice's Pazz & Jop ranked "212" at number 6 to find the best music of 2011. Pitchfork Media also ranked it number 9 on their Top 100 Tracks of 2011 list, writing:

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