12031231022212 has 48 divisors (see below), whose sum is σ = 21911165337600. Its totient is φ = 5775678145440.

The previous prime is 12031231022159. The next prime is 12031231022233. The reversal of 12031231022212 is 21222013213021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155824537 + ... + 155901727.

It is an arithmetic number, because the mean of its divisors is an integer number (456482611200).

Almost surely, 2^{12031231022212} is an apocalyptic number.

It is an amenable number.

12031231022212 is a deficient number, since it is larger than the sum of its proper divisors (9879934315388).

12031231022212 is a wasteful number, since it uses less digits than its factorization.

12031231022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92656 (or 92654 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12031231022212 its reverse (21222013213021), we get a palindrome (33253244235233).

The spelling of 12031231022212 in words is "twelve trillion, thirty-one billion, two hundred thirty-one million, twenty-two thousand, two hundred twelve".