123311003022120 has 64 divisors (see below), whose sum is σ = 370542454110720. Its totient is φ = 32828761246464.

The previous prime is 123311003022079. The next prime is 123311003022127. The reversal of 123311003022120 is 21220300113321.

It is not an unprimeable number, because it can be changed into a prime (123311003022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846378307 + ... + 846523986.

It is an arithmetic number, because the mean of its divisors is an integer number (5789725845480).

Almost surely, 2^{123311003022120} is an apocalyptic number.

123311003022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123311003022120 is an abundant number, since it is smaller than the sum of its proper divisors (247231451088600).

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

123311003022120 is a wasteful number, since it uses less digits than its factorization.

123311003022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692902914 (or 1692902910 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123311003022120 its reverse (21220300113321), we get a palindrome (144531303135441).

The spelling of 123311003022120 in words is "one hundred twenty-three trillion, three hundred eleven billion, three million, twenty-two thousand, one hundred twenty".