123203211202220 has 72 divisors (see below), whose sum is σ = 267962269983408. Its totient is φ = 47580815968000.

The previous prime is 123203211202219. The next prime is 123203211202241. The reversal of 123203211202220 is 22202112302321.

It is a happy number.

123203211202220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1356504410 + ... + 1356595230.

It is an arithmetic number, because the mean of its divisors is an integer number (3721698194214).

Almost surely, 2^{123203211202220} is an apocalyptic number.

123203211202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123203211202220 is an abundant number, since it is smaller than the sum of its proper divisors (144759058781188).

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

123203211202220 is a wasteful number, since it uses less digits than its factorization.

123203211202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171539 (or 171508 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123203211202220 its reverse (22202112302321), we get a palindrome (145405323504541).

The spelling of 123203211202220 in words is "one hundred twenty-three trillion, two hundred three billion, two hundred eleven million, two hundred two thousand, two hundred twenty".