122212212200022 has 64 divisors (see below), whose sum is σ = 294533680089600. Its totient is φ = 33024955564800.

The previous prime is 122212212200011. The next prime is 122212212200047. The reversal of 122212212200022 is 220002212212221.

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 31 ways as a sum of consecutive naturals, for example, 126931497 + ... + 127890692.

It is an arithmetic number, because the mean of its divisors is an integer number (4602088751400).

Almost surely, 2^{122212212200022} is an apocalyptic number.

122212212200022 is an abundant number, since it is smaller than the sum of its proper divisors (172321467889578).

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

122212212200022 is a wasteful number, since it uses less digits than its factorization.

122212212200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254822821.

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

Adding to 122212212200022 its reverse (220002212212221), we get a palindrome (342214424412243).

The spelling of 122212212200022 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred twelve million, two hundred thousand, twenty-two".