123121202020332 has 96 divisors (see below), whose sum is σ = 304728365061120. Its totient is φ = 38581431071040.

The previous prime is 123121202020283. The next prime is 123121202020339. The reversal of 123121202020332 is 233020202121321.

It is not an unprimeable number, because it can be changed into a prime (123121202020339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 585397263 + ... + 585607545.

It is an arithmetic number, because the mean of its divisors is an integer number (3174253802720).

Almost surely, 2^{123121202020332} is an apocalyptic number.

123121202020332 is a gapful number since it is divisible by the number (12) 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 123121202020332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152364182530560).

123121202020332 is an abundant number, since it is smaller than the sum of its proper divisors (181607163040788).

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

123121202020332 is a wasteful number, since it uses less digits than its factorization.

123121202020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230043 (or 230041 counting only the distinct ones).

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

Adding to 123121202020332 its reverse (233020202121321), we get a palindrome (356141404141653).

The spelling of 123121202020332 in words is "one hundred twenty-three trillion, one hundred twenty-one billion, two hundred two million, twenty thousand, three hundred thirty-two".