13120123013 has 4 divisors (see below), whose sum is σ = 13690563168. Its totient is φ = 12549682860.

The previous prime is 13120123001. The next prime is 13120123039. The reversal of 13120123013 is 31032102131.

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 13120123013 - 2¹⁶ = 13120057477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13120122982 and 13120123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120123043) 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, 285220043 + ... + 285220088.

It is an arithmetic number, because the mean of its divisors is an integer number (3422640792).

Almost surely, 2^13120123013 is an apocalyptic number.

It is an amenable number.

13120123013 is a deficient number, since it is larger than the sum of its proper divisors (570440155).

13120123013 is an equidigital number, since it uses as much as digits as its factorization.

13120123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570440154.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13120123013 its reverse (31032102131), we get a palindrome (44152225144).

The spelling of 13120123013 in words is "thirteen billion, one hundred twenty million, one hundred twenty-three thousand, thirteen".