312012311010 has 64 divisors (see below), whose sum is σ = 762233286528. Its totient is φ = 81725571584.

The previous prime is 312012310993. The next prime is 312012311027. The reversal of 312012311010 is 10113210213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312012310993) and next prime (312012311027).

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 31 ways as a sum of consecutive naturals, for example, 68614 + ... + 792926.

It is an arithmetic number, because the mean of its divisors is an integer number (11909895102).

Almost surely, 2^312012311010 is an apocalyptic number.

312012311010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312012311010 is an abundant number, since it is smaller than the sum of its proper divisors (450220975518).

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

312012311010 is a wasteful number, since it uses less digits than its factorization.

312012311010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724579.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 312012311010 its reverse (10113210213), we get a palindrome (322125521223).

The spelling of 312012311010 in words is "three hundred twelve billion, twelve million, three hundred eleven thousand, ten".