12211202222022 has 32 divisors (see below), whose sum is σ = 24626027341440. Its totient is φ = 4036530072960.

The previous prime is 12211202221993. The next prime is 12211202222053. The reversal of 12211202222022 is 22022220211221.

It is a super-2 number, since 2×12211202222022² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211202222022.

It is a congruent number.

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, 7574968 + ... + 9044475.

It is an arithmetic number, because the mean of its divisors is an integer number (769563354420).

Almost surely, 2^{12211202222022} is an apocalyptic number.

12211202222022 is an abundant number, since it is smaller than the sum of its proper divisors (12414825119418).

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

12211202222022 is a wasteful number, since it uses less digits than its factorization.

12211202222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16620468.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12211202222022 its reverse (22022220211221), we get a palindrome (34233422433243).

The spelling of 12211202222022 in words is "twelve trillion, two hundred eleven billion, two hundred two million, two hundred twenty-two thousand, twenty-two".