12682656001 has 4 divisors (see below), whose sum is σ = 12701390292. Its totient is φ = 12663921712.

The previous prime is 12682655983. The next prime is 12682656011. The reversal of 12682656001 is 10065628621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6879873025 + 5802782976 = 82945^2 + 76176^2 .

It is a cyclic number.

It is not a de Polignac number, because 12682656001 - 2⁵ = 12682655969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12682656011) 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 3 ways as a sum of consecutive naturals, for example, 9366130 + ... + 9367483.

It is an arithmetic number, because the mean of its divisors is an integer number (3175347573).

Almost surely, 2^12682656001 is an apocalyptic number.

It is an amenable number.

12682656001 is a deficient number, since it is larger than the sum of its proper divisors (18734291).

12682656001 is an equidigital number, since it uses as much as digits as its factorization.

12682656001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18734290.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 12682656001 in words is "twelve billion, six hundred eighty-two million, six hundred fifty-six thousand, one".