12010111313 has 4 divisors (see below), whose sum is σ = 12051101748. Its totient is φ = 11969120880.

The previous prime is 12010111283. The next prime is 12010111339. The reversal of 12010111313 is 31311101021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31311101021 = 241 ⋅129921581.

It can be written as a sum of positive squares in 2 ways, for example, as 11076931009 + 933180304 = 105247^2 + 30548^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010111313 - 2²⁸ = 11741675857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010111013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20494778 + ... + 20495363.

It is an arithmetic number, because the mean of its divisors is an integer number (3012775437).

Almost surely, 2^12010111313 is an apocalyptic number.

It is an amenable number.

12010111313 is a deficient number, since it is larger than the sum of its proper divisors (40990435).

12010111313 is an equidigital number, since it uses as much as digits as its factorization.

12010111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40990434.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12010111313 its reverse (31311101021), we get a palindrome (43321212334).

The spelling of 12010111313 in words is "twelve billion, ten million, one hundred eleven thousand, three hundred thirteen".