312112472 has 32 divisors (see below), whose sum is σ = 670356000. Its totient is φ = 133453824.

The previous prime is 312112457. The next prime is 312112481. The reversal of 312112472 is 274211213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18938 + ... + 31350.

It is an arithmetic number, because the mean of its divisors is an integer number (20948625).

Almost surely, 2^312112472 is an apocalyptic number.

It is an amenable number.

312112472 is an abundant number, since it is smaller than the sum of its proper divisors (358243528).

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

312112472 is a wasteful number, since it uses less digits than its factorization.

312112472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12875 (or 12871 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 312112472 is about 17666.7051823480. The cubic root of 312112472 is about 678.3237780282.

Adding to 312112472 its reverse (274211213), we get a palindrome (586323685).

The spelling of 312112472 in words is "three hundred twelve million, one hundred twelve thousand, four hundred seventy-two".