12312565536730 has 16 divisors (see below), whose sum is σ = 22538255559840. Its totient is φ = 4841551193872.

The previous prime is 12312565536727. The next prime is 12312565536749. The reversal of 12312565536730 is 3763556521321.

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, 10434376984 + ... + 10434378163.

It is an arithmetic number, because the mean of its divisors is an integer number (1408640972490).

Almost surely, 2^{12312565536730} is an apocalyptic number.

12312565536730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312565536730 is a deficient number, since it is larger than the sum of its proper divisors (10225690023110).

12312565536730 is a wasteful number, since it uses less digits than its factorization.

12312565536730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20868755213.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 12312565536730 in words is "twelve trillion, three hundred twelve billion, five hundred sixty-five million, five hundred thirty-six thousand, seven hundred thirty".