13131223100120 has 16 divisors (see below), whose sum is σ = 29545251975360. Its totient is φ = 5252489240032.

The previous prime is 13131223100119. The next prime is 13131223100129. The reversal of 13131223100120 is 2100132213131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13131223100092 and 13131223100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131223100129) 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, 164140288712 + ... + 164140288791.

It is an arithmetic number, because the mean of its divisors is an integer number (1846578248460).

Almost surely, 2^{13131223100120} is an apocalyptic number.

13131223100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131223100120 is an abundant number, since it is smaller than the sum of its proper divisors (16414028875240).

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

13131223100120 is a wasteful number, since it uses less digits than its factorization.

13131223100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328280577514 (or 328280577510 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13131223100120 its reverse (2100132213131), we get a palindrome (15231355313251).

The spelling of 13131223100120 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twenty-three million, one hundred thousand, one hundred twenty".