312320120010 has 32 divisors (see below), whose sum is σ = 749765661120. Its totient is φ = 83263435008.

The previous prime is 312320119999. The next prime is 312320120029. The reversal of 312320120010 is 10021023213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254655 + ... + 1482834.

It is an arithmetic number, because the mean of its divisors is an integer number (23430176910).

Almost surely, 2^312320120010 is an apocalyptic number.

312320120010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312320120010 is an abundant number, since it is smaller than the sum of its proper divisors (437445541110).

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

312320120010 is a wasteful number, since it uses less digits than its factorization.

312320120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741302.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 312320120010 its reverse (10021023213), we get a palindrome (322341143223).

The spelling of 312320120010 in words is "three hundred twelve billion, three hundred twenty million, one hundred twenty thousand, ten".