2013312012 has 24 divisors (see below), whose sum is σ = 4698990912. Its totient is φ = 670923600.

The previous prime is 2013311999. The next prime is 2013312017. The reversal of 2013312012 is 2102133102.

It is a junction number, because it is equal to n+sod(n) for n = 2013311982 and 2013312000.

It is not an unprimeable number, because it can be changed into a prime (2013312017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28587 + ... + 69597.

It is an arithmetic number, because the mean of its divisors is an integer number (195791288).

Almost surely, 2^2013312012 is an apocalyptic number.

It is an amenable number.

2013312012 is an abundant number, since it is smaller than the sum of its proper divisors (2685678900).

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

2013312012 is a wasteful number, since it uses less digits than its factorization.

2013312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45109 (or 45107 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2013312012 is about 44869.9455315025. The cubic root of 2013312012 is about 1262.7102181333.

Adding to 2013312012 its reverse (2102133102), we get a palindrome (4115445114).

The spelling of 2013312012 in words is "two billion, thirteen million, three hundred twelve thousand, twelve".