120555133213 has 16 divisors (see below), whose sum is σ = 128257320960. Its totient is φ = 113076273024.

The previous prime is 120555133187. The next prime is 120555133241. The reversal of 120555133213 is 312331555021.

It is a cyclic number.

It is not a de Polignac number, because 120555133213 - 2²⁵ = 120521578781 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 (120555133313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82948 + ... + 497986.

It is an arithmetic number, because the mean of its divisors is an integer number (8016082560).

Almost surely, 2^120555133213 is an apocalyptic number.

It is an amenable number.

120555133213 is a deficient number, since it is larger than the sum of its proper divisors (7702187747).

120555133213 is a wasteful number, since it uses less digits than its factorization.

120555133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415308.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 120555133213 its reverse (312331555021), we get a palindrome (432886688234).

The spelling of 120555133213 in words is "one hundred twenty billion, five hundred fifty-five million, one hundred thirty-three thousand, two hundred thirteen".