131447962512 has 150 divisors (see below), whose sum is σ = 387019395158. Its totient is φ = 43071865344.

The previous prime is 131447962507. The next prime is 131447962519. The reversal of 131447962512 is 215269744131.

131447962512 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 4 + 7 + 9 + 625 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128849409936 + 2598552576 = 358956^2 + 50976^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131447962519) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4496808 + ... + 4525944.

Almost surely, 2^131447962512 is an apocalyptic number.

131447962512 is a gapful number since it is divisible by the number (12) 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 131447962512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193509697579).

131447962512 is an abundant number, since it is smaller than the sum of its proper divisors (255571432646).

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

131447962512 is an equidigital number, since it uses as much as digits as its factorization.

131447962512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29275 (or 29201 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 131447962512 in words is "one hundred thirty-one billion, four hundred forty-seven million, nine hundred sixty-two thousand, five hundred twelve".