13120120113 has 4 divisors (see below), whose sum is σ = 17493493488. Its totient is φ = 8746746740.

The previous prime is 13120120099. The next prime is 13120120133. The reversal of 13120120113 is 31102102131.

It is a happy number.

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 13120120113 - 2⁵ = 13120120081 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13120120092 and 13120120101.

It is not an unprimeable number, because it can be changed into a prime (13120120133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186686683 + ... + 2186686688.

It is an arithmetic number, because the mean of its divisors is an integer number (4373373372).

Almost surely, 2^13120120113 is an apocalyptic number.

It is an amenable number.

13120120113 is a deficient number, since it is larger than the sum of its proper divisors (4373373375).

13120120113 is an equidigital number, since it uses as much as digits as its factorization.

13120120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373373374.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13120120113 its reverse (31102102131), we get a palindrome (44222222244).

The spelling of 13120120113 in words is "thirteen billion, one hundred twenty million, one hundred twenty thousand, one hundred thirteen".