List of Billboard Mainstream Top 40 number-one songs of 2012
This is a list of songs which reached number one on the Billboard Mainstream Top 40 (or Pop Songs) chart in 2012. During 2012, a total of 19 singles hit number-one on the charts. Chart history

See also
2012 in music

References

External links
Current Billboard Pop Songs chart

Lists of Billboard Mainstream Top 40 number-one songs
United States Mainstream Top 40