131730798012 has 48 divisors (see below), whose sum is σ = 335464477824. Its totient is φ = 39900600000.

The previous prime is 131730797999. The next prime is 131730798047. The reversal of 131730798012 is 210897037131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75462 + ... + 518802.

It is an arithmetic number, because the mean of its divisors is an integer number (6988843288).

Almost surely, 2^131730798012 is an apocalyptic number.

131730798012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131730798012 is an abundant number, since it is smaller than the sum of its proper divisors (203733679812).

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

131730798012 is a wasteful number, since it uses less digits than its factorization.

131730798012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445610 (or 445608 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 131730798012 in words is "one hundred thirty-one billion, seven hundred thirty million, seven hundred ninety-eight thousand, twelve".