13131222222120 has 128 divisors (see below), whose sum is σ = 40963221676800. Its totient is φ = 3363394535424.

The previous prime is 13131222222101. The next prime is 13131222222143. The reversal of 13131222222120 is 2122222213131.

It is a super-2 number, since 2×13131222222120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9103852 + ... + 10447131.

It is an arithmetic number, because the mean of its divisors is an integer number (320025169350).

Almost surely, 2^{13131222222120} is an apocalyptic number.

13131222222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131222222120 is an abundant number, since it is smaller than the sum of its proper divisors (27831999454680).

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

13131222222120 is a wasteful number, since it uses less digits than its factorization.

13131222222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551219 (or 19551215 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13131222222120 its reverse (2122222213131), we get a palindrome (15253444435251).

The spelling of 13131222222120 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty".