123041211971499 has 12 divisors (see below), whose sum is σ = 177730331970256. Its totient is φ = 82025565309072.

The previous prime is 123041211971473. The next prime is 123041211971563. The reversal of 123041211971499 is 994179112140321.

123041211971499 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 41 + 21 + 1 + 97 + 1 + 499 = 666.

It is not a de Polignac number, because 123041211971499 - 2³⁹ = 122491456157611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123041211971099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158703364 + ... + 159476769.

Almost surely, 2^{123041211971499} is an apocalyptic number.

123041211971499 is a deficient number, since it is larger than the sum of its proper divisors (54689119998757).

123041211971499 is a wasteful number, since it uses less digits than its factorization.

123041211971499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318223106 (or 318223103 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 123041211971499 in words is "one hundred twenty-three trillion, forty-one billion, two hundred eleven million, nine hundred seventy-one thousand, four hundred ninety-nine".