1012

1012 = 2 x 2 x 11 x 23.

1012 has a square that is formed by slightly rearranging its digits and inserting three 4s: 1012² = 1024144.

1012 is the sum of four consecutive primes (A034963): 1012 = 241 + 251 + 257 + 263.

1012 is the solution to the postage stamp problem for three denominations and 23 stamps (A001208).

1012 is the number of times the digit 4 appears in the first 10⁴ digits of pi (A099295).

1012 is 4404 in base 6.

1012 has a unique representation as a sum of three squares: 1012 = 6² + 20² + 24².

1012 has the representation 2¹⁰ - 12.

1012 is a divisor of 45² - 1.

Source: What's Special About This Number?