312012168 has 32 divisors (see below), whose sum is σ = 840033600. Its totient is φ = 96003648.

The previous prime is 312012163. The next prime is 312012187. The reversal of 312012168 is 861210213.

It is a Harshad number since it is a multiple of its sum of digits (24).

312012168 is a modest number, since divided by 12168 gives 312 as remainder.

It is not an unprimeable number, because it can be changed into a prime (312012161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499708 + ... + 500331.

It is an arithmetic number, because the mean of its divisors is an integer number (26251050).

Almost surely, 2^312012168 is an apocalyptic number.

It is an amenable number.

312012168 is an abundant number, since it is smaller than the sum of its proper divisors (528021432).

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

312012168 is a wasteful number, since it uses less digits than its factorization.

312012168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000061 (or 1000057 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 312012168 is about 17663.8661679713. The cubic root of 312012168 is about 678.2511056380.

The spelling of 312012168 in words is "three hundred twelve million, twelve thousand, one hundred sixty-eight".