131188012 has 12 divisors (see below), whose sum is σ = 234918376. Its totient is φ = 64068480.

The previous prime is 131187971. The next prime is 131188037. The reversal of 131188012 is 210881131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381189 + ... + 381532.

Almost surely, 2^131188012 is an apocalyptic number.

It is an amenable number.

131188012 is a deficient number, since it is larger than the sum of its proper divisors (103730364).

131188012 is a wasteful number, since it uses less digits than its factorization.

131188012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762768 (or 762766 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 131188012 is about 11453.7335397677. The cubic root of 131188012 is about 508.1181602503.

The spelling of 131188012 in words is "one hundred thirty-one million, one hundred eighty-eight thousand, twelve".