12212021111122 has 32 divisors (see below), whose sum is σ = 22377913576704. Its totient is φ = 4884068428800.

The previous prime is 12212021111089. The next prime is 12212021111137. The reversal of 12212021111122 is 22111112021221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212021111122.

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, 462493279 + ... + 462519682.

It is an arithmetic number, because the mean of its divisors is an integer number (699309799272).

Almost surely, 2^{12212021111122} is an apocalyptic number.

12212021111122 is a deficient number, since it is larger than the sum of its proper divisors (10165892465582).

12212021111122 is a wasteful number, since it uses less digits than its factorization.

12212021111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925013034.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12212021111122 its reverse (22111112021221), we get a palindrome (34323133132343).

The spelling of 12212021111122 in words is "twelve trillion, two hundred twelve billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".