12651417427731 has 16 divisors (see below), whose sum is σ = 16930595873664. Its totient is φ = 8403298897664.

The previous prime is 12651417427687. The next prime is 12651417427763. The reversal of 12651417427731 is 13772471415621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12651417427731 is a prime.

It is a super-2 number, since 2×12651417427731² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12651417427331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3775221 + ... + 6289286.

It is an arithmetic number, because the mean of its divisors is an integer number (1058162242104).

Almost surely, 2^{12651417427731} is an apocalyptic number.

12651417427731 is a deficient number, since it is larger than the sum of its proper divisors (4279178445933).

12651417427731 is a wasteful number, since it uses less digits than its factorization.

12651417427731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066050.

The product of its digits is 1975680, while the sum is 51.

The spelling of 12651417427731 in words is "twelve trillion, six hundred fifty-one billion, four hundred seventeen million, four hundred twenty-seven thousand, seven hundred thirty-one".