231202012012112 has 20 divisors (see below), whose sum is σ = 448081484226336. Its totient is φ = 115568080598880.

The previous prime is 231202012012093. The next prime is 231202012012193. The reversal of 231202012012112 is 211210210202132.

It is a congruent number.

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, 2057780018 + ... + 2057892369.

Almost surely, 2^{231202012012112} is an apocalyptic number.

It is an amenable number.

231202012012112 is a deficient number, since it is larger than the sum of its proper divisors (216879472214224).

231202012012112 is a wasteful number, since it uses less digits than its factorization.

231202012012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115675906 (or 4115675900 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 231202012012112 its reverse (211210210202132), we get a palindrome (442412222214244).

The spelling of 231202012012112 in words is "two hundred thirty-one trillion, two hundred two billion, twelve million, twelve thousand, one hundred twelve".