131500521211512 has 32 divisors (see below), whose sum is σ = 328752576421200. Its totient is φ = 43833337284864.

The previous prime is 131500521211361. The next prime is 131500521211519. The reversal of 131500521211512 is 215112125005131.

It is a super-2 number, since 2×131500521211512² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131500521211512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131500521211519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4207573 + ... + 16754244.

Almost surely, 2^{131500521211512} is an apocalyptic number.

131500521211512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131500521211512 is an abundant number, since it is smaller than the sum of its proper divisors (197252055209688).

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

131500521211512 is a wasteful number, since it uses less digits than its factorization.

131500521211512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21223215 (or 21223211 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 30.

Adding to 131500521211512 its reverse (215112125005131), we get a palindrome (346612646216643).

The spelling of 131500521211512 in words is "one hundred thirty-one trillion, five hundred billion, five hundred twenty-one million, two hundred eleven thousand, five hundred twelve".