12685063418 has 16 divisors (see below), whose sum is σ = 19156339296. Its totient is φ = 6299689200.

The previous prime is 12685063397. The next prime is 12685063429. The reversal of 12685063418 is 81436058621.

It is an unprimeable number.

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, 346205 + ... + 381087.

It is an arithmetic number, because the mean of its divisors is an integer number (1197271206).

Almost surely, 2^12685063418 is an apocalyptic number.

12685063418 is a deficient number, since it is larger than the sum of its proper divisors (6471275878).

12685063418 is a wasteful number, since it uses less digits than its factorization.

12685063418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36109.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 12685063418 in words is "twelve billion, six hundred eighty-five million, sixty-three thousand, four hundred eighteen".