104312012535 has 12 divisors (see below), whose sum is σ = 180807488472. Its totient is φ = 55633073328.

The previous prime is 104312012513. The next prime is 104312012591. The reversal of 104312012535 is 535210213401.

104312012535 is a `hidden beast` number, since 1 + 0 + 4 + 3 + 120 + 1 + 2 + 535 = 666.

It is not a de Polignac number, because 104312012535 - 2⁶ = 104312012471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104312012499 and 104312012508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1159022317 + ... + 1159022406.

It is an arithmetic number, because the mean of its divisors is an integer number (15067290706).

Almost surely, 2^104312012535 is an apocalyptic number.

104312012535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104312012535 is a deficient number, since it is larger than the sum of its proper divisors (76495475937).

104312012535 is a wasteful number, since it uses less digits than its factorization.

104312012535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318044734 (or 2318044731 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 104312012535 its reverse (535210213401), we get a palindrome (639522225936).

The spelling of 104312012535 in words is "one hundred four billion, three hundred twelve million, twelve thousand, five hundred thirty-five".