12695140066920 has 128 divisors (see below), whose sum is σ = 41383139328000. Its totient is φ = 3103735415040.

The previous prime is 12695140066891. The next prime is 12695140066933. The reversal of 12695140066920 is 2966004159621.

It is a super-2 number, since 2×12695140066920² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89736480 + ... + 89877839.

It is an arithmetic number, because the mean of its divisors is an integer number (323305776000).

Almost surely, 2^{12695140066920} is an apocalyptic number.

12695140066920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12695140066920 is an abundant number, since it is smaller than the sum of its proper divisors (28687999261080).

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

12695140066920 is a wasteful number, since it uses less digits than its factorization.

12695140066920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179614383 (or 179614379 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 12695140066920 in words is "twelve trillion, six hundred ninety-five billion, one hundred forty million, sixty-six thousand, nine hundred twenty".