12664625203 has 2 divisors, whose sum is σ = 12664625204. Its totient is φ = 12664625202.

The previous prime is 12664625191. The next prime is 12664625243. The reversal of 12664625203 is 30252646621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12664625203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12664625243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6332312601 + 6332312602.

It is an arithmetic number, because the mean of its divisors is an integer number (6332312602).

Almost surely, 2^12664625203 is an apocalyptic number.

12664625203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12664625203 is an equidigital number, since it uses as much as digits as its factorization.

12664625203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 12664625203 in words is "twelve billion, six hundred sixty-four million, six hundred twenty-five thousand, two hundred three".