123122323132220 has 96 divisors (see below), whose sum is σ = 259778438599680. Its totient is φ = 49016985073920.

The previous prime is 123122323132141. The next prime is 123122323132231. The reversal of 123122323132220 is 22231323221321.

It is a super-2 number, since 2×123122323132220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 5361758459 + ... + 5361781421.

It is an arithmetic number, because the mean of its divisors is an integer number (2706025402080).

Almost surely, 2^{123122323132220} is an apocalyptic number.

123122323132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123122323132220 is an abundant number, since it is smaller than the sum of its proper divisors (136656115467460).

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

123122323132220 is a wasteful number, since it uses less digits than its factorization.

123122323132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24915 (or 24913 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 123122323132220 its reverse (22231323221321), we get a palindrome (145353646353541).

The spelling of 123122323132220 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, three hundred twenty-three million, one hundred thirty-two thousand, two hundred twenty".