12508506750005 has 16 divisors (see below), whose sum is σ = 17435745243264. Its totient is φ = 8436650921280.

The previous prime is 12508506749993. The next prime is 12508506750011. The reversal of 12508506750005 is 50005760580521.

It is not a de Polignac number, because 12508506750005 - 2⁶ = 12508506749941 is a prime.

It is a super-2 number, since 2×12508506750005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929390547 + ... + 2929394816.

It is an arithmetic number, because the mean of its divisors is an integer number (1089734077704).

Almost surely, 2^{12508506750005} is an apocalyptic number.

It is an amenable number.

12508506750005 is a deficient number, since it is larger than the sum of its proper divisors (4927238493259).

12508506750005 is an equidigital number, since it uses as much as digits as its factorization.

12508506750005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858785436.

The product of its (nonzero) digits is 420000, while the sum is 44.

The spelling of 12508506750005 in words is "twelve trillion, five hundred eight billion, five hundred six million, seven hundred fifty thousand, five".