12212022212112 has 40 divisors (see below), whose sum is σ = 31556761354080. Its totient is φ = 4069507966720.

The previous prime is 12212022212087. The next prime is 12212022212149. The reversal of 12212022212112 is 21121222021221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36271437 + ... + 36606572.

It is an arithmetic number, because the mean of its divisors is an integer number (788919033852).

Almost surely, 2^{12212022212112} is an apocalyptic number.

12212022212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212022212112 is an abundant number, since it is smaller than the sum of its proper divisors (19344739141968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212022212112 is a wasteful number, since it uses less digits than its factorization.

12212022212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72881511 (or 72881505 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12212022212112 its reverse (21121222021221), we get a palindrome (33333244233333).

The spelling of 12212022212112 in words is "twelve trillion, two hundred twelve billion, twenty-two million, two hundred twelve thousand, one hundred twelve".