312210112 has 14 divisors (see below), whose sum is σ = 619542068. Its totient is φ = 156105024.

The previous prime is 312210091. The next prime is 312210113. The reversal of 312210112 is 211012213.

It is a junction number, because it is equal to n+sod(n) for n = 312210092 and 312210101.

It is not an unprimeable number, because it can be changed into a prime (312210113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439078 + ... + 2439205.

Almost surely, 2^312210112 is an apocalyptic number.

312210112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312210112 is a deficient number, since it is larger than the sum of its proper divisors (307331956).

312210112 is an equidigital number, since it uses as much as digits as its factorization.

312210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878295 (or 4878285 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 312210112 is about 17669.4683564617. The cubic root of 312210112 is about 678.3945053400.

Adding to 312210112 its reverse (211012213), we get a palindrome (523222325).

The spelling of 312210112 in words is "three hundred twelve million, two hundred ten thousand, one hundred twelve".