12951179642576 has 40 divisors (see below), whose sum is σ = 29262869467200. Its totient is φ = 5550505558752.

The previous prime is 12951179642573. The next prime is 12951179642581. The reversal of 12951179642576 is 67524697115921.

It is a happy number.

It is a super-2 number, since 2×12951179642576² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951179642573) 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, 1179948926 + ... + 1179959901.

It is an arithmetic number, because the mean of its divisors is an integer number (731571736680).

Almost surely, 2^{12951179642576} is an apocalyptic number.

12951179642576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12951179642576 is an abundant number, since it is smaller than the sum of its proper divisors (16311689824624).

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

12951179642576 is an equidigital number, since it uses as much as digits as its factorization.

12951179642576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359908856 (or 2359908836 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 65.

The spelling of 12951179642576 in words is "twelve trillion, nine hundred fifty-one billion, one hundred seventy-nine million, six hundred forty-two thousand, five hundred seventy-six".