231233020012 has 12 divisors (see below), whose sum is σ = 425955563320. Its totient is φ = 109531430496.

The previous prime is 231233020009. The next prime is 231233020033. The reversal of 231233020012 is 210020332132.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 1521269793 + ... + 1521269944.

Almost surely, 2^231233020012 is an apocalyptic number.

It is an amenable number.

231233020012 is a deficient number, since it is larger than the sum of its proper divisors (194722543308).

231233020012 is a wasteful number, since it uses less digits than its factorization.

231233020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042539760 (or 3042539758 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231233020012 its reverse (210020332132), we get a palindrome (441253352144).

The spelling of 231233020012 in words is "two hundred thirty-one billion, two hundred thirty-three million, twenty thousand, twelve".