12211201022022 has 24 divisors (see below), whose sum is σ = 26458023042360. Its totient is φ = 4070335597920.

The previous prime is 12211201022021. The next prime is 12211201022039. The reversal of 12211201022022 is 22022010211221.

It is a happy number.

12211201022022 is a `hidden beast` number, since 1 + 221 + 1 + 201 + 0 + 220 + 22 = 666.

It is a super-2 number, since 2×12211201022022² (a number of 27 digits) contains 22 as substring.

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 = 12211201021986 and 12211201022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211201022021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4225272 + ... + 6501947.

It is an arithmetic number, because the mean of its divisors is an integer number (1102417626765).

Almost surely, 2^{12211201022022} is an apocalyptic number.

12211201022022 is an abundant number, since it is smaller than the sum of its proper divisors (14246822020338).

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

12211201022022 is a wasteful number, since it uses less digits than its factorization.

12211201022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790468 (or 10790465 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12211201022022 its reverse (22022010211221), we get a palindrome (34233211233243).

The spelling of 12211201022022 in words is "twelve trillion, two hundred eleven billion, two hundred one million, twenty-two thousand, twenty-two".