2113312012 has 48 divisors (see below), whose sum is σ = 4602528000. Its totient is φ = 828442944.

The previous prime is 2113312001. The next prime is 2113312037. The reversal of 2113312012 is 2102133112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53062 + ... + 83917.

It is an arithmetic number, because the mean of its divisors is an integer number (95886000).

Almost surely, 2^2113312012 is an apocalyptic number.

It is an amenable number.

2113312012 is an abundant number, since it is smaller than the sum of its proper divisors (2489215988).

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

2113312012 is a wasteful number, since it uses less digits than its factorization.

2113312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137038 (or 137036 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113312012 is about 45970.7734544460. The cubic root of 2113312012 is about 1283.2793539935.

Adding to 2113312012 its reverse (2102133112), we get a palindrome (4215445124).

The spelling of 2113312012 in words is "two billion, one hundred thirteen million, three hundred twelve thousand, twelve".