12992731756 has 6 divisors (see below), whose sum is σ = 22737280580. Its totient is φ = 6496365876.

The previous prime is 12992731709. The next prime is 12992731789. The reversal of 12992731756 is 65713729921.

12992731756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12992731756² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624091466 + ... + 1624091473.

Almost surely, 2^12992731756 is an apocalyptic number.

It is an amenable number.

12992731756 is a deficient number, since it is larger than the sum of its proper divisors (9744548824).

12992731756 is a wasteful number, since it uses less digits than its factorization.

12992731756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248182943 (or 3248182941 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 52.

The spelling of 12992731756 in words is "twelve billion, nine hundred ninety-two million, seven hundred thirty-one thousand, seven hundred fifty-six".