12210200022222 has 48 divisors (see below), whose sum is σ = 27175041151440. Its totient is φ = 3959395001856.

The previous prime is 12210200022187. The next prime is 12210200022239. The reversal of 12210200022222 is 22222000201221.

12210200022222 is a `hidden beast` number, since 1 + 221 + 0 + 200 + 0 + 22 + 222 = 666.

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 = 12210200022195 and 12210200022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2397054 + ... + 5492382.

It is an arithmetic number, because the mean of its divisors is an integer number (566146690655).

Almost surely, 2^{12210200022222} is an apocalyptic number.

12210200022222 is an abundant number, since it is smaller than the sum of its proper divisors (14964841129218).

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

12210200022222 is a wasteful number, since it uses less digits than its factorization.

12210200022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101297 (or 3101294 counting only the distinct ones).

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

Adding to 12210200022222 its reverse (22222000201221), we get a palindrome (34432200223443).

The spelling of 12210200022222 in words is "twelve trillion, two hundred ten billion, two hundred million, twenty-two thousand, two hundred twenty-two".