123001222522405 has 16 divisors (see below), whose sum is σ = 147676340298240. Its totient is φ = 98351071311168.

The previous prime is 123001222522349. The next prime is 123001222522457. The reversal of 123001222522405 is 504225222100321.

It is a cyclic number.

It is not a de Polignac number, because 123001222522405 - 2¹⁵ = 123001222489637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112351884 + ... + 113441386.

It is an arithmetic number, because the mean of its divisors is an integer number (9229771268640).

Almost surely, 2^{123001222522405} is an apocalyptic number.

It is an amenable number.

123001222522405 is a deficient number, since it is larger than the sum of its proper divisors (24675117775835).

123001222522405 is a wasteful number, since it uses less digits than its factorization.

123001222522405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100940.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 123001222522405 its reverse (504225222100321), we get a palindrome (627226444622726).

The spelling of 123001222522405 in words is "one hundred twenty-three trillion, one billion, two hundred twenty-two million, five hundred twenty-two thousand, four hundred five".