12508130657173 has 8 divisors (see below), whose sum is σ = 13522303413920. Its totient is φ = 11529542909520.

The previous prime is 12508130657089. The next prime is 12508130657177. The reversal of 12508130657173 is 37175603180521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12508130657173 is a prime.

It is a super-2 number, since 2×12508130657173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12508130657177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8896251543 + ... + 8896252948.

It is an arithmetic number, because the mean of its divisors is an integer number (1690287926740).

Almost surely, 2^{12508130657173} is an apocalyptic number.

It is an amenable number.

12508130657173 is a deficient number, since it is larger than the sum of its proper divisors (1014172756747).

12508130657173 is a wasteful number, since it uses less digits than its factorization.

12508130657173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17792504547.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 12508130657173 in words is "twelve trillion, five hundred eight billion, one hundred thirty million, six hundred fifty-seven thousand, one hundred seventy-three".