312222210112 has 28 divisors (see below), whose sum is σ = 619622311680. Its totient is φ = 156096903296.

The previous prime is 312222210101. The next prime is 312222210193. The reversal of 312222210112 is 211012222213.

It is a self number, because there is not a number n which added to its sum of digits gives 312222210112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505593 + ... + 938119.

Almost surely, 2^312222210112 is an apocalyptic number.

312222210112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312222210112 is a deficient number, since it is larger than the sum of its proper divisors (307400101568).

312222210112 is a wasteful number, since it uses less digits than its factorization.

312222210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443818 (or 443808 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 312222210112 its reverse (211012222213), we get a palindrome (523234432325).

The spelling of 312222210112 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred ten thousand, one hundred twelve".