231799677612 has 12 divisors (see below), whose sum is σ = 540865914456. Its totient is φ = 77266559200.

The previous prime is 231799677569. The next prime is 231799677631. The reversal of 231799677612 is 216776997132.

It is a tau number, because it is divible by the number of its divisors (12).

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, 9658319889 + ... + 9658319912.

It is an arithmetic number, because the mean of its divisors is an integer number (45072159538).

Almost surely, 2^231799677612 is an apocalyptic number.

It is an amenable number.

231799677612 is an abundant number, since it is smaller than the sum of its proper divisors (309066236844).

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

231799677612 is a wasteful number, since it uses less digits than its factorization.

231799677612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19316639808 (or 19316639806 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 60.

The spelling of 231799677612 in words is "two hundred thirty-one billion, seven hundred ninety-nine million, six hundred seventy-seven thousand, six hundred twelve".