12022100222022 has 96 divisors (see below), whose sum is σ = 29990070835200. Its totient is φ = 3565548653040.

The previous prime is 12022100221981. The next prime is 12022100222047. The reversal of 12022100222022 is 22022200122021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12022100221986 and 12022100222004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19266622 + ... + 19880817.

It is an arithmetic number, because the mean of its divisors is an integer number (312396571200).

Almost surely, 2^{12022100222022} is an apocalyptic number.

12022100222022 is an abundant number, since it is smaller than the sum of its proper divisors (17967970613178).

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

12022100222022 is a wasteful number, since it uses less digits than its factorization.

12022100222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39147519 (or 39147502 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12022100222022 its reverse (22022200122021), we get a palindrome (34044300344043).

The spelling of 12022100222022 in words is "twelve trillion, twenty-two billion, one hundred million, two hundred twenty-two thousand, twenty-two".