12131344735376 has 40 divisors (see below), whose sum is σ = 23904547362240. Its totient is φ = 5962443790464.

The previous prime is 12131344735351. The next prime is 12131344735381. The reversal of 12131344735376 is 67353744313121.

It is a super-2 number, since 2×12131344735376² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13154210 + ... + 14046206.

It is an arithmetic number, because the mean of its divisors is an integer number (597613684056).

Almost surely, 2^{12131344735376} is an apocalyptic number.

12131344735376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12131344735376 is a deficient number, since it is larger than the sum of its proper divisors (11773202626864).

12131344735376 is a wasteful number, since it uses less digits than its factorization.

12131344735376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906471 (or 906465 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 50.

The spelling of 12131344735376 in words is "twelve trillion, one hundred thirty-one billion, three hundred forty-four million, seven hundred thirty-five thousand, three hundred seventy-six".