123122220131022 has 32 divisors (see below), whose sum is σ = 281493954300672. Its totient is φ = 35168810073024.

The previous prime is 123122220130991. The next prime is 123122220131041. The reversal of 123122220131022 is 220131022221321.

It is a junction number, because it is equal to n+sod(n) for n = 123122220130983 and 123122220131001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373462743 + ... + 373792274.

It is an arithmetic number, because the mean of its divisors is an integer number (8796686071896).

Almost surely, 2^{123122220131022} is an apocalyptic number.

123122220131022 is an abundant number, since it is smaller than the sum of its proper divisors (158371734169650).

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

123122220131022 is a wasteful number, since it uses less digits than its factorization.

123122220131022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747258952.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123122220131022 its reverse (220131022221321), we get a palindrome (343253242352343).

The spelling of 123122220131022 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, two hundred twenty million, one hundred thirty-one thousand, twenty-two".