12202221120222 has 128 divisors (see below), whose sum is σ = 29380962816000. Its totient is φ = 3305781213696.

The previous prime is 12202221120209. The next prime is 12202221120233. The reversal of 12202221120222 is 22202112220221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11774779 + ... + 12769097.

It is an arithmetic number, because the mean of its divisors is an integer number (229538772000).

Almost surely, 2^{12202221120222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12202221120222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14690481408000).

12202221120222 is an abundant number, since it is smaller than the sum of its proper divisors (17178741695778).

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

12202221120222 is a wasteful number, since it uses less digits than its factorization.

12202221120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994570.

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

Adding to 12202221120222 its reverse (22202112220221), we get a palindrome (34404333340443).

The spelling of 12202221120222 in words is "twelve trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".