12013011013 has 4 divisors (see below), whose sum is σ = 12268607040. Its totient is φ = 11757414988.

The previous prime is 12013010993. The next prime is 12013011047. The reversal of 12013011013 is 31011031021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12013011013 - 2¹³ = 12013002821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013010984 and 12013011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013071013) 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, 127797943 + ... + 127798036.

It is an arithmetic number, because the mean of its divisors is an integer number (3067151760).

Almost surely, 2^12013011013 is an apocalyptic number.

It is an amenable number.

12013011013 is a deficient number, since it is larger than the sum of its proper divisors (255596027).

12013011013 is an equidigital number, since it uses as much as digits as its factorization.

12013011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255596026.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 12013011013 its reverse (31011031021), we get a palindrome (43024042034).

The spelling of 12013011013 in words is "twelve billion, thirteen million, eleven thousand, thirteen".