12766797939144 has 32 divisors (see below), whose sum is σ = 31917134128320. Its totient is φ = 4255580742336.

The previous prime is 12766797939143. The next prime is 12766797939211. The reversal of 12766797939144 is 44193979766721.

It is a super-2 number, since 2×12766797939144² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12766797939143) 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, 5155014 + ... + 7218570.

It is an arithmetic number, because the mean of its divisors is an integer number (997410441510).

Almost surely, 2^{12766797939144} is an apocalyptic number.

It is an amenable number.

12766797939144 is an abundant number, since it is smaller than the sum of its proper divisors (19150336189176).

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

12766797939144 is a wasteful number, since it uses less digits than its factorization.

12766797939144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321349 (or 2321345 counting only the distinct ones).

The product of its digits is 864162432, while the sum is 75.

The spelling of 12766797939144 in words is "twelve trillion, seven hundred sixty-six billion, seven hundred ninety-seven million, nine hundred thirty-nine thousand, one hundred forty-four".