31232201212112 has 40 divisors (see below), whose sum is σ = 60685329890304. Its totient is φ = 15571491010304.

The previous prime is 31232201212033. The next prime is 31232201212153. The reversal of 31232201212112 is 21121210223213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24333683 + ... + 25585005.

Almost surely, 2^{31232201212112} is an apocalyptic number.

It is an amenable number.

31232201212112 is a deficient number, since it is larger than the sum of its proper divisors (29453128678192).

31232201212112 is a wasteful number, since it uses less digits than its factorization.

31232201212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255787 (or 1255781 counting only the distinct ones).

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

Adding to 31232201212112 its reverse (21121210223213), we get a palindrome (52353411435325).

The spelling of 31232201212112 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred one million, two hundred twelve thousand, one hundred twelve".