2012 produced 58 #1s across six music shows, shared by 34 artists and 41 songs.
The most wins went to Psy (5), followed by — (5) and F.T. Island (3).
The most-awarded song was “Gangnam Style” by Psy with 5 wins on 2 shows, then “Lovey-Dovey” with 3.
No song swept five or more shows.
First-ever music show wins went to Apink, IU, T-ara, MBLAQ, Teen Top, F.T. Island and 28 more — 34 artists in total.
Counts are recomputed every morning from each show's published results (Wikipedia lists, CC BY-SA). Weeks without a broadcast or record are shown in grey; dates open episode pages.