12485712757 has 8 divisors (see below), whose sum is σ = 14273793216. Its totient is φ = 10698734112.

The previous prime is 12485712721. The next prime is 12485712791. The reversal of 12485712757 is 75721758421.

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-12485712757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12485712757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485712257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251023 + ... + 296620.

It is an arithmetic number, because the mean of its divisors is an integer number (1784224152).

Almost surely, 2^12485712757 is an apocalyptic number.

It is an amenable number.

12485712757 is a deficient number, since it is larger than the sum of its proper divisors (1788080459).

12485712757 is an equidigital number, since it uses as much as digits as its factorization.

12485712757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550907.

The product of its digits is 1097600, while the sum is 49.

The spelling of 12485712757 in words is "twelve billion, four hundred eighty-five million, seven hundred twelve thousand, seven hundred fifty-seven".