2013111312012 has 36 divisors (see below), whose sum is σ = 5356524253080. Its totient is φ = 635719361472.

The previous prime is 2013111311989. The next prime is 2013111312019. The reversal of 2013111312012 is 2102131113102.

2013111312012 is a `hidden beast` number, since 20 + 1 + 311 + 131 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (2013111312019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1471571913 + ... + 1471573280.

Almost surely, 2^{2013111312012} is an apocalyptic number.

It is an amenable number.

2013111312012 is an abundant number, since it is smaller than the sum of its proper divisors (3343412941068).

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

2013111312012 is a wasteful number, since it uses less digits than its factorization.

2013111312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943145222 (or 2943145217 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2013111312012 its reverse (2102131113102), we get a palindrome (4115242425114).

The spelling of 2013111312012 in words is "two trillion, thirteen billion, one hundred eleven million, three hundred twelve thousand, twelve".