12356973796 has 24 divisors (see below), whose sum is σ = 21753446904. Its totient is φ = 6141811200.

The previous prime is 12356973791. The next prime is 12356973833. The reversal of 12356973796 is 69737965321.

It can be written as a sum of positive squares in 4 ways, for example, as 11818733796 + 538240000 = 108714^2 + 23200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12356973796.

It is not an unprimeable number, because it can be changed into a prime (12356973791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456826 + ... + 483118.

It is an arithmetic number, because the mean of its divisors is an integer number (906393621).

Almost surely, 2^12356973796 is an apocalyptic number.

It is an amenable number.

12356973796 is a deficient number, since it is larger than the sum of its proper divisors (9396473108).

12356973796 is a wasteful number, since it uses less digits than its factorization.

12356973796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26991 (or 26989 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 58.

The spelling of 12356973796 in words is "twelve billion, three hundred fifty-six million, nine hundred seventy-three thousand, seven hundred ninety-six".