12516826971760 has 40 divisors (see below), whose sum is σ = 29280160302480. Its totient is φ = 4976014643712.

The previous prime is 12516826971731. The next prime is 12516826971811. The reversal of 12516826971760 is 6717962861521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12516826971760² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 479926645 + ... + 479952724.

It is an arithmetic number, because the mean of its divisors is an integer number (732004007562).

Almost surely, 2^{12516826971760} is an apocalyptic number.

12516826971760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12516826971760 is an abundant number, since it is smaller than the sum of its proper divisors (16763333330720).

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

12516826971760 is a wasteful number, since it uses less digits than its factorization.

12516826971760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959879545 (or 959879539 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 12516826971760 in words is "twelve trillion, five hundred sixteen billion, eight hundred twenty-six million, nine hundred seventy-one thousand, seven hundred sixty".