122212200022122 has 32 divisors (see below), whose sum is σ = 279354421757952. Its totient is φ = 34916240150064.

The previous prime is 122212200022049. The next prime is 122212200022193. The reversal of 122212200022122 is 221220002212221.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62834238 + ... + 64750025.

It is an arithmetic number, because the mean of its divisors is an integer number (8729825679936).

Almost surely, 2^{122212200022122} is an apocalyptic number.

122212200022122 is an abundant number, since it is smaller than the sum of its proper divisors (157142221735830).

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

122212200022122 is a wasteful number, since it uses less digits than its factorization.

122212200022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127607082.

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

Adding to 122212200022122 its reverse (221220002212221), we get a palindrome (343432202234343).

The spelling of 122212200022122 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred million, twenty-two thousand, one hundred twenty-two".