12486868517 has 24 divisors (see below), whose sum is σ = 13239404640. Its totient is φ = 11760708960.

The previous prime is 12486868507. The next prime is 12486868519. The reversal of 12486868517 is 71586868421.

12486868517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12486868517 - 2⁶ = 12486868453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12486868519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62747984 + ... + 62748182.

It is an arithmetic number, because the mean of its divisors is an integer number (551641860).

Almost surely, 2^12486868517 is an apocalyptic number.

It is an amenable number.

12486868517 is a deficient number, since it is larger than the sum of its proper divisors (752536123).

12486868517 is an equidigital number, since it uses as much as digits as its factorization.

12486868517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 442 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The spelling of 12486868517 in words is "twelve billion, four hundred eighty-six million, eight hundred sixty-eight thousand, five hundred seventeen".