12761497996 has 24 divisors (see below), whose sum is σ = 24099948320. Its totient is φ = 5877816192.

The previous prime is 12761497981. The next prime is 12761498027. The reversal of 12761497996 is 69979416721.

It is a super-2 number, since 2×12761497996² (a number of 21 digits) contains 22 as substring.

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, 226641 + ... + 277288.

Almost surely, 2^12761497996 is an apocalyptic number.

It is an amenable number.

12761497996 is a deficient number, since it is larger than the sum of its proper divisors (11338450324).

12761497996 is a wasteful number, since it uses less digits than its factorization.

12761497996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504433 (or 504431 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 61.

The spelling of 12761497996 in words is "twelve billion, seven hundred sixty-one million, four hundred ninety-seven thousand, nine hundred ninety-six".