12612658731 has 8 divisors (see below), whose sum is σ = 17047246800. Its totient is φ = 8293254912.

The previous prime is 12612658711. The next prime is 12612658771. The reversal of 12612658731 is 13785621621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12612658731 - 2⁵ = 12612658699 is a prime.

It is a super-2 number, since 2×12612658731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12612658711) 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, 28795806 + ... + 28796243.

It is an arithmetic number, because the mean of its divisors is an integer number (2130905850).

Almost surely, 2^12612658731 is an apocalyptic number.

12612658731 is a deficient number, since it is larger than the sum of its proper divisors (4434588069).

12612658731 is an equidigital number, since it uses as much as digits as its factorization.

12612658731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57592125.

The product of its digits is 120960, while the sum is 42.

The spelling of 12612658731 in words is "twelve billion, six hundred twelve million, six hundred fifty-eight thousand, seven hundred thirty-one".