120512555013 has 4 divisors (see below), whose sum is σ = 160683406688. Its totient is φ = 80341703340.

The previous prime is 120512555003. The next prime is 120512555057. The reversal of 120512555013 is 310555215021.

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 not a de Polignac number, because 120512555013 - 2⁶ = 120512554949 is a prime.

It is a super-2 number, since 2×120512555013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120512555003) 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, 20085425833 + ... + 20085425838.

It is an arithmetic number, because the mean of its divisors is an integer number (40170851672).

Almost surely, 2^120512555013 is an apocalyptic number.

It is an amenable number.

120512555013 is a deficient number, since it is larger than the sum of its proper divisors (40170851675).

120512555013 is an equidigital number, since it uses as much as digits as its factorization.

120512555013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40170851674.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 120512555013 in words is "one hundred twenty billion, five hundred twelve million, five hundred fifty-five thousand, thirteen".