12996912042 has 12 divisors (see below), whose sum is σ = 28159976130. Its totient is φ = 4332304008.

The previous prime is 12996912031. The next prime is 12996912077. The reversal of 12996912042 is 24021969921.

It can be written as a sum of positive squares in only one way, i.e., 10029822201 + 2967089841 = 100149^2 + 54471^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361025317 + ... + 361025352.

Almost surely, 2^12996912042 is an apocalyptic number.

12996912042 is an abundant number, since it is smaller than the sum of its proper divisors (15163064088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12996912042 is a wasteful number, since it uses less digits than its factorization.

12996912042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722050677 (or 722050674 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 12996912042 in words is "twelve billion, nine hundred ninety-six million, nine hundred twelve thousand, forty-two".