12312230122013 has 16 divisors (see below), whose sum is σ = 12855643420800. Its totient is φ = 11769493342464.

The previous prime is 12312230122007. The next prime is 12312230122021. The reversal of 12312230122013 is 31022103221321.

It is a cyclic number.

It is not a de Polignac number, because 12312230122013 - 2⁸ = 12312230121757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12312230122013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312230122043) 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, 542401538 + ... + 542424236.

It is an arithmetic number, because the mean of its divisors is an integer number (803477713800).

Almost surely, 2^{12312230122013} is an apocalyptic number.

It is an amenable number.

12312230122013 is a deficient number, since it is larger than the sum of its proper divisors (543413298787).

12312230122013 is a wasteful number, since it uses less digits than its factorization.

12312230122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36548.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12312230122013 its reverse (31022103221321), we get a palindrome (43334333343334).

The spelling of 12312230122013 in words is "twelve trillion, three hundred twelve billion, two hundred thirty million, one hundred twenty-two thousand, thirteen".