131230111200000 has 432 divisors, whose sum is σ = 436688203728672. Its totient is φ = 34983731200000.

The previous prime is 131230111199897. The next prime is 131230111200007. The reversal of 131230111200000 is 2111032131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (131230111200007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10178393554 + ... + 10178406446.

It is an arithmetic number, because the mean of its divisors is an integer number (1010852323446).

Almost surely, 2^{131230111200000} is an apocalyptic number.

131230111200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131230111200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218344101864336).

131230111200000 is an abundant number, since it is smaller than the sum of its proper divisors (305458092528672).

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

131230111200000 is an frugal number, since it uses more digits than its factorization.

131230111200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17178 (or 17144 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131230111200000 its reverse (2111032131), we get a palindrome (131232222232131).

The spelling of 131230111200000 in words is "one hundred thirty-one trillion, two hundred thirty billion, one hundred eleven million, two hundred thousand".