123021122332020 has 192 divisors, whose sum is σ = 377038156029696. Its totient is φ = 29723095019520.

The previous prime is 123021122331997. The next prime is 123021122332061. The reversal of 123021122332020 is 20233221120321.

123021122332020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257042782 + ... + 257520938.

It is an arithmetic number, because the mean of its divisors is an integer number (1963740395988).

Almost surely, 2^{123021122332020} is an apocalyptic number.

123021122332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123021122332020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188519078014848).

123021122332020 is an abundant number, since it is smaller than the sum of its proper divisors (254017033697676).

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

123021122332020 is a wasteful number, since it uses less digits than its factorization.

123021122332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479490 (or 479488 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123021122332020 its reverse (20233221120321), we get a palindrome (143254343452341).

The spelling of 123021122332020 in words is "one hundred twenty-three trillion, twenty-one billion, one hundred twenty-two million, three hundred thirty-two thousand, twenty".