312332112012 has 96 divisors (see below), whose sum is σ = 787006241280. Its totient is φ = 96110784000.

The previous prime is 312332111953. The next prime is 312332112013. The reversal of 312332112012 is 210211233213.

It is a self number, because there is not a number n which added to its sum of digits gives 312332112012.

It is not an unprimeable number, because it can be changed into a prime (312332112013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24013503 + ... + 24026505.

It is an arithmetic number, because the mean of its divisors is an integer number (8197981680).

Almost surely, 2^312332112012 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 312332112012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393503120640).

312332112012 is an abundant number, since it is smaller than the sum of its proper divisors (474674129268).

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

312332112012 is a wasteful number, since it uses less digits than its factorization.

312332112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16063 (or 16061 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312332112012 its reverse (210211233213), we get a palindrome (522543345225).

The spelling of 312332112012 in words is "three hundred twelve billion, three hundred thirty-two million, one hundred twelve thousand, twelve".