312010232112 has 120 divisors (see below), whose sum is σ = 910181219376. Its totient is φ = 99682057728.

The previous prime is 312010232077. The next prime is 312010232123. The reversal of 312010232112 is 211232010213.

312010232112 is a `hidden beast` number, since 312 + 0 + 10 + 232 + 112 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80043 + ... + 793994.

Almost surely, 2^312010232112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312010232112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455090609688).

312010232112 is an abundant number, since it is smaller than the sum of its proper divisors (598170987264).

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

312010232112 is a wasteful number, since it uses less digits than its factorization.

312010232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874155 (or 874146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 312010232112 its reverse (211232010213), we get a palindrome (523242242325).

The spelling of 312010232112 in words is "three hundred twelve billion, ten million, two hundred thirty-two thousand, one hundred twelve".