312122012002013 has 4 divisors (see below), whose sum is σ = 312122054382720. Its totient is φ = 312121969621308.

The previous prime is 312122012002007. The next prime is 312122012002027. The reversal of 312122012002013 is 310200210221213.

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 312122012002013 - 2¹⁶ = 312122011936477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312122012002063) 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, 6956045 + ... + 25935122.

It is an arithmetic number, because the mean of its divisors is an integer number (78030513595680).

Almost surely, 2^{312122012002013} is an apocalyptic number.

It is an amenable number.

312122012002013 is a deficient number, since it is larger than the sum of its proper divisors (42380707).

312122012002013 is an equidigital number, since it uses as much as digits as its factorization.

312122012002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42380706.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312122012002013 its reverse (310200210221213), we get a palindrome (622322222223226).

The spelling of 312122012002013 in words is "three hundred twelve trillion, one hundred twenty-two billion, twelve million, two thousand, thirteen".