321112112212 has 24 divisors (see below), whose sum is σ = 563340173760. Its totient is φ = 160158011520.

The previous prime is 321112112201. The next prime is 321112112219. The reversal of 321112112212 is 212211211123.

It is a super-2 number, since 2×321112112212² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321112112212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321112112219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5802489 + ... + 5857567.

It is an arithmetic number, because the mean of its divisors is an integer number (23472507240).

Almost surely, 2^321112112212 is an apocalyptic number.

It is an amenable number.

321112112212 is a deficient number, since it is larger than the sum of its proper divisors (242228061548).

321112112212 is a wasteful number, since it uses less digits than its factorization.

321112112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58671 (or 58669 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 321112112212 its reverse (212211211123), we get a palindrome (533323323335).

The spelling of 321112112212 in words is "three hundred twenty-one billion, one hundred twelve million, one hundred twelve thousand, two hundred twelve".