123321201120201 has 16 divisors (see below), whose sum is σ = 191916276516864. Its totient is φ = 68969911872144.

The previous prime is 123321201120193. The next prime is 123321201120253. The reversal of 123321201120201 is 102021102123321.

It is not a de Polignac number, because 123321201120201 - 2³ = 123321201120193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (123321201120001) 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, 62472745275 + ... + 62472747248.

It is an arithmetic number, because the mean of its divisors is an integer number (11994767282304).

Almost surely, 2^{123321201120201} is an apocalyptic number.

It is an amenable number.

123321201120201 is a deficient number, since it is larger than the sum of its proper divisors (68595075396663).

123321201120201 is a wasteful number, since it uses less digits than its factorization.

123321201120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124945492580.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123321201120201 its reverse (102021102123321), we get a palindrome (225342303243522).

The spelling of 123321201120201 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, two hundred one million, one hundred twenty thousand, two hundred one".