131200321120000 has 180 divisors, whose sum is σ = 357005918580696. Its totient is φ = 47709207040000.

The previous prime is 131200321119979. The next prime is 131200321120003. The reversal of 131200321120000 is 21123002131.

It is a super-2 number, since 2×131200321120000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200321120003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35512819 + ... + 39032818.

Almost surely, 2^{131200321120000} is an apocalyptic number.

131200321120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131200321120000 is an abundant number, since it is smaller than the sum of its proper divisors (225805597460696).

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

131200321120000 is an frugal number, since it uses more digits than its factorization.

131200321120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74545684 (or 74545655 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131200321120000 its reverse (21123002131), we get a palindrome (131221444122131).

The spelling of 131200321120000 in words is "one hundred thirty-one trillion, two hundred billion, three hundred twenty-one million, one hundred twenty thousand".