123255401410221 has 16 divisors (see below), whose sum is σ = 175175461944000. Its totient is φ = 76817684043008.

The previous prime is 123255401410121. The next prime is 123255401410241. The reversal of 123255401410221 is 122014104552321.

It is a cyclic number.

It is not a de Polignac number, because 123255401410221 - 2¹⁰ = 123255401409197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123255401410241) 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, 8109967491 + ... + 8109982688.

It is an arithmetic number, because the mean of its divisors is an integer number (10948466371500).

Almost surely, 2^{123255401410221} is an apocalyptic number.

It is an amenable number.

123255401410221 is a deficient number, since it is larger than the sum of its proper divisors (51920060533779).

123255401410221 is a wasteful number, since it uses less digits than its factorization.

123255401410221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16219950348.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 123255401410221 its reverse (122014104552321), we get a palindrome (245269505962542).

The spelling of 123255401410221 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, four hundred one million, four hundred ten thousand, two hundred twenty-one".