12242979904 has 21 divisors (see below), whose sum is σ = 24296419911. Its totient is φ = 6121047360.

The previous prime is 12242979901. The next prime is 12242979941. The reversal of 12242979904 is 40997924221.

The square root of 12242979904 is 110648.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12242979901) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 878269 + ... + 892099.

Almost surely, 2^12242979904 is an apocalyptic number.

12242979904 is the 110648-th square number.

It is an amenable number.

12242979904 is a deficient number, since it is larger than the sum of its proper divisors (12053440007).

12242979904 is an frugal number, since it uses more digits than its factorization.

12242979904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27674 (or 13833 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

Multiplying 12242979904 by its sum of digits (49), we get a square (599906015296 = 774536²).

The spelling of 12242979904 in words is "twelve billion, two hundred forty-two million, nine hundred seventy-nine thousand, nine hundred four".