13031121022120 has 32 divisors (see below), whose sum is σ = 29332709665920. Its totient is φ = 5210192877120.

The previous prime is 13031121022111. The next prime is 13031121022123. The reversal of 13031121022120 is 2122012113031.

It is not an unprimeable number, because it can be changed into a prime (13031121022123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70391772 + ... + 70576651.

It is an arithmetic number, because the mean of its divisors is an integer number (916647177060).

Almost surely, 2^{13031121022120} is an apocalyptic number.

13031121022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031121022120 is an abundant number, since it is smaller than the sum of its proper divisors (16301588643800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031121022120 is a wasteful number, since it uses less digits than its factorization.

13031121022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140970745 (or 140970741 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13031121022120 its reverse (2122012113031), we get a palindrome (15153133135151).

It can be divided in two parts, 1303112 and 1022120, that added together give a palindrome (2325232).

The spelling of 13031121022120 in words is "thirteen trillion, thirty-one billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty".