123132203110121 has 16 divisors (see below), whose sum is σ = 123910595956224. Its totient is φ = 122356747908864.

The previous prime is 123132203110093. The next prime is 123132203110123. The reversal of 123132203110121 is 121011302231321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123132203110121 - 2²⁶ = 123132136001257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123132203110123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143261960 + ... + 144118886.

It is an arithmetic number, because the mean of its divisors is an integer number (7744412247264).

Almost surely, 2^{123132203110121} is an apocalyptic number.

It is an amenable number.

123132203110121 is a deficient number, since it is larger than the sum of its proper divisors (778392846103).

123132203110121 is an equidigital number, since it uses as much as digits as its factorization.

123132203110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858640.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 123132203110121 its reverse (121011302231321), we get a palindrome (244143505341442).

The spelling of 123132203110121 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, two hundred three million, one hundred ten thousand, one hundred twenty-one".