131545500212 has 24 divisors (see below), whose sum is σ = 263676974400. Its totient is φ = 56251077120.

The previous prime is 131545500209. The next prime is 131545500227. The reversal of 131545500212 is 212005545131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5219114 + ... + 5244257.

It is an arithmetic number, because the mean of its divisors is an integer number (10986540600).

Almost surely, 2^131545500212 is an apocalyptic number.

It is an amenable number.

131545500212 is an abundant number, since it is smaller than the sum of its proper divisors (132131474188).

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

131545500212 is a wasteful number, since it uses less digits than its factorization.

131545500212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10463831 (or 10463829 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 131545500212 in words is "one hundred thirty-one billion, five hundred forty-five million, five hundred thousand, two hundred twelve".