12212112201022 has 16 divisors (see below), whose sum is σ = 18328491688320. Its totient is φ = 6102615899808.

The previous prime is 12212112201017. The next prime is 12212112201031. The reversal of 12212112201022 is 22010221121221.

It is a congruent number.

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, 26517043 + ... + 26973649.

It is an arithmetic number, because the mean of its divisors is an integer number (1145530730520).

Almost surely, 2^{12212112201022} is an apocalyptic number.

12212112201022 is a deficient number, since it is larger than the sum of its proper divisors (6116379487298).

12212112201022 is a wasteful number, since it uses less digits than its factorization.

12212112201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464115.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212112201022 its reverse (22010221121221), we get a palindrome (34222333322243).

The spelling of 12212112201022 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, two hundred one thousand, twenty-two".