12200021022222 has 96 divisors (see below), whose sum is σ = 29000623972320. Its totient is φ = 3675930336000.

The previous prime is 12200021022197. The next prime is 12200021022281. The reversal of 12200021022222 is 22222012000221.

12200021022222 is a `hidden beast` number, since 12 + 200 + 0 + 210 + 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 = 12200021022195 and 12200021022204.

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, 240411772 + ... + 240462512.

It is an arithmetic number, because the mean of its divisors is an integer number (302089833045).

Almost surely, 2^{12200021022222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12200021022222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14500311986160).

12200021022222 is an abundant number, since it is smaller than the sum of its proper divisors (16800602950098).

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

12200021022222 is a wasteful number, since it uses less digits than its factorization.

12200021022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57650 (or 57647 counting only the distinct ones).

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

Adding to 12200021022222 its reverse (22222012000221), we get a palindrome (34422033022443).

The spelling of 12200021022222 in words is "twelve trillion, two hundred billion, twenty-one million, twenty-two thousand, two hundred twenty-two".