231112021203212 has 12 divisors (see below), whose sum is σ = 414310574596296. Its totient is φ = 112737571318560.

The previous prime is 231112021203199. The next prime is 231112021203221. The reversal of 231112021203212 is 212302120211132.

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, 704609820578 + ... + 704609820905.

It is an arithmetic number, because the mean of its divisors is an integer number (34525881216358).

Almost surely, 2^{231112021203212} is an apocalyptic number.

It is an amenable number.

231112021203212 is a deficient number, since it is larger than the sum of its proper divisors (183198553393084).

231112021203212 is a wasteful number, since it uses less digits than its factorization.

231112021203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409219641528 (or 1409219641526 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 231112021203212 its reverse (212302120211132), we get a palindrome (443414141414344).

The spelling of 231112021203212 in words is "two hundred thirty-one trillion, one hundred twelve billion, twenty-one million, two hundred three thousand, two hundred twelve".