312412156 has 48 divisors (see below), whose sum is σ = 637702912. Its totient is φ = 131155200.

The previous prime is 312412123. The next prime is 312412189. The reversal of 312412156 is 651214213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312412123) and next prime (312412189).

It is a self number, because there is not a number n which added to its sum of digits gives 312412156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451771 + ... + 452461.

Almost surely, 2^312412156 is an apocalyptic number.

It is an amenable number.

312412156 is an abundant number, since it is smaller than the sum of its proper divisors (325290756).

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

312412156 is a wasteful number, since it uses less digits than its factorization.

312412156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1008 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 312412156 is about 17675.1847515097. The cubic root of 312412156 is about 678.5408127762.

Adding to 312412156 its reverse (651214213), we get a palindrome (963626369).

The spelling of 312412156 in words is "three hundred twelve million, four hundred twelve thousand, one hundred fifty-six".