12643000612825 has 24 divisors (see below), whose sum is σ = 17106944460480. Its totient is φ = 9192537105600.

The previous prime is 12643000612819. The next prime is 12643000612859. The reversal of 12643000612825 is 52821600034621.

It is not a de Polignac number, because 12643000612825 - 2²¹ = 12642998515673 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4862965 + ... + 6995314.

It is an arithmetic number, because the mean of its divisors is an integer number (712789352520).

Almost surely, 2^{12643000612825} is an apocalyptic number.

It is an amenable number.

12643000612825 is a deficient number, since it is larger than the sum of its proper divisors (4463943847655).

12643000612825 is a wasteful number, since it uses less digits than its factorization.

12643000612825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11862177 (or 11862172 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 12643000612825 in words is "twelve trillion, six hundred forty-three billion, six hundred twelve thousand, eight hundred twenty-five".