312412032 has 64 divisors (see below), whose sum is σ = 922059600. Its totient is φ = 104136192.

The previous prime is 312412019. The next prime is 312412063. The reversal of 312412032 is 230214213.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 312411996 and 312412014.

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, 41743 + ... + 48654.

Almost surely, 2^312412032 is an apocalyptic number.

312412032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312412032 is an abundant number, since it is smaller than the sum of its proper divisors (609647568).

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

312412032 is an equidigital number, since it uses as much as digits as its factorization.

312412032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90420 (or 90402 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 312412032 is about 17675.1812437666. The cubic root of 312412032 is about 678.5407230026.

Adding to 312412032 its reverse (230214213), we get a palindrome (542626245).

The spelling of 312412032 in words is "three hundred twelve million, four hundred twelve thousand, thirty-two".