123242504012999 has 16 divisors (see below), whose sum is σ = 140938851895296. Its totient is φ = 105568732468800.

The previous prime is 123242504012983. The next prime is 123242504013007. The reversal of 123242504012999 is 999210405242321.

It is a cyclic number.

It is not a de Polignac number, because 123242504012999 - 2⁴ = 123242504012983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123242504012999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123242504012959) 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, 206802434 + ... + 207397520.

It is an arithmetic number, because the mean of its divisors is an integer number (8808678243456).

Almost surely, 2^{123242504012999} is an apocalyptic number.

123242504012999 is a deficient number, since it is larger than the sum of its proper divisors (17696347882297).

123242504012999 is a wasteful number, since it uses less digits than its factorization.

123242504012999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614006.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 123242504012999 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred four million, twelve thousand, nine hundred ninety-nine".