12636012002 has 8 divisors (see below), whose sum is σ = 18957016812. Its totient is φ = 6317006400.

The previous prime is 12636011987. The next prime is 12636012089. The reversal of 12636012002 is 20021063621.

It can be written as a sum of positive squares in 2 ways, for example, as 12007557241 + 628454761 = 109579^2 + 25069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483899 + ... + 509342.

Almost surely, 2^12636012002 is an apocalyptic number.

12636012002 is a deficient number, since it is larger than the sum of its proper divisors (6321004810).

12636012002 is an equidigital number, since it uses as much as digits as its factorization.

12636012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999604.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12636012002 its reverse (20021063621), we get a palindrome (32657075623).

The spelling of 12636012002 in words is "twelve billion, six hundred thirty-six million, twelve thousand, two".