12120032231013 has 128 divisors (see below), whose sum is σ = 19630943539200. Its totient is φ = 6505743992832.

The previous prime is 12120032230981. The next prime is 12120032231023. The reversal of 12120032231013 is 31013223002121.

It is not a de Polignac number, because 12120032231013 - 2⁵ = 12120032230981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120032231023) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2793275598 + ... + 2793279936.

It is an arithmetic number, because the mean of its divisors is an integer number (153366746400).

Almost surely, 2^{12120032231013} is an apocalyptic number.

It is an amenable number.

12120032231013 is a deficient number, since it is larger than the sum of its proper divisors (7510911308187).

12120032231013 is a wasteful number, since it uses less digits than its factorization.

12120032231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12120032231013 its reverse (31013223002121), we get a palindrome (43133255233134).

The spelling of 12120032231013 in words is "twelve trillion, one hundred twenty billion, thirty-two million, two hundred thirty-one thousand, thirteen".