12992744506 has 16 divisors (see below), whose sum is σ = 22339377216. Its totient is φ = 5551793856.

The previous prime is 12992744497. The next prime is 12992744561. The reversal of 12992744506 is 60544729921.

It is a happy number.

It is a super-2 number, since 2×12992744506² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12992744506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372216 + ... + 1381651.

It is an arithmetic number, because the mean of its divisors is an integer number (1396211076).

Almost surely, 2^12992744506 is an apocalyptic number.

12992744506 is a deficient number, since it is larger than the sum of its proper divisors (9346632710).

12992744506 is a wasteful number, since it uses less digits than its factorization.

12992744506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754213.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 12992744506 in words is "twelve billion, nine hundred ninety-two million, seven hundred forty-four thousand, five hundred six".