12013020313 has 16 divisors (see below), whose sum is σ = 15080094720. Its totient is φ = 9330803856.

The previous prime is 12013020289. The next prime is 12013020323. The reversal of 12013020313 is 31302031021.

It is a cyclic number.

It is not a de Polignac number, because 12013020313 - 2⁵ = 12013020281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013020323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960495 + ... + 1966612.

It is an arithmetic number, because the mean of its divisors is an integer number (942505920).

Almost surely, 2^12013020313 is an apocalyptic number.

It is an amenable number.

12013020313 is a deficient number, since it is larger than the sum of its proper divisors (3067074407).

12013020313 is a wasteful number, since it uses less digits than its factorization.

12013020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927156.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12013020313 its reverse (31302031021), we get a palindrome (43315051334).

The spelling of 12013020313 in words is "twelve billion, thirteen million, twenty thousand, three hundred thirteen".