312102013312 has 32 divisors (see below), whose sum is σ = 621830653920. Its totient is φ = 156034712064.

The previous prime is 312102013309. The next prime is 312102013331. The reversal of 312102013312 is 213310201213.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 312102013312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153458 + ... + 1398094.

It is an arithmetic number, because the mean of its divisors is an integer number (19432207935).

Almost surely, 2^312102013312 is an apocalyptic number.

312102013312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312102013312 is a deficient number, since it is larger than the sum of its proper divisors (309728640608).

312102013312 is an equidigital number, since it uses as much as digits as its factorization.

312102013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254618 (or 254606 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312102013312 its reverse (213310201213), we get a palindrome (525412214525).

The spelling of 312102013312 in words is "three hundred twelve billion, one hundred two million, thirteen thousand, three hundred twelve".