312222112032 has 48 divisors (see below), whose sum is σ = 819989890272. Its totient is φ = 104022374400.

The previous prime is 312222112021. The next prime is 312222112109. The reversal of 312222112032 is 230211222213.

It is a tau number, because it is divible by the number of its divisors (48).

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, 612594 + ... + 999857.

It is an arithmetic number, because the mean of its divisors is an integer number (17083122714).

Almost surely, 2^312222112032 is an apocalyptic number.

312222112032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312222112032 is an abundant number, since it is smaller than the sum of its proper divisors (507767778240).

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

312222112032 is a wasteful number, since it uses less digits than its factorization.

312222112032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614481 (or 1614473 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 312222112032 its reverse (230211222213), we get a palindrome (542433334245).

The spelling of 312222112032 in words is "three hundred twelve billion, two hundred twenty-two million, one hundred twelve thousand, thirty-two".