123122012200122 has 64 divisors (see below), whose sum is σ = 265403806536960. Its totient is φ = 37852567526400.

The previous prime is 123122012200097. The next prime is 123122012200127. The reversal of 123122012200122 is 221002210221321.

It is a super-2 number, since 2×123122012200122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123122012200127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1404320347 + ... + 1404408017.

It is an arithmetic number, because the mean of its divisors is an integer number (4146934477140).

Almost surely, 2^{123122012200122} is an apocalyptic number.

123122012200122 is an abundant number, since it is smaller than the sum of its proper divisors (142281794336838).

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

123122012200122 is a wasteful number, since it uses less digits than its factorization.

123122012200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102279.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 123122012200122 its reverse (221002210221321), we get a palindrome (344124222421443).

The spelling of 123122012200122 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, twelve million, two hundred thousand, one hundred twenty-two".