12636012433 has 16 divisors (see below), whose sum is σ = 14599832256. Its totient is φ = 10808432640.

The previous prime is 12636012409. The next prime is 12636012439. The reversal of 12636012433 is 33421063621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12636012433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12636012395 and 12636012404.

It is not an unprimeable number, because it can be changed into a prime (12636012439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830785 + ... + 845857.

It is an arithmetic number, because the mean of its divisors is an integer number (912489516).

Almost surely, 2^12636012433 is an apocalyptic number.

It is an amenable number.

12636012433 is a deficient number, since it is larger than the sum of its proper divisors (1963819823).

12636012433 is a wasteful number, since it uses less digits than its factorization.

12636012433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19584.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 12636012433 in words is "twelve billion, six hundred thirty-six million, twelve thousand, four hundred thirty-three".