12708640211 has 2 divisors, whose sum is σ = 12708640212. Its totient is φ = 12708640210.

The previous prime is 12708640187. The next prime is 12708640237. The reversal of 12708640211 is 11204680721.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12708640211 - 2²² = 12704445907 is a prime.

It is a super-2 number, since 2×12708640211² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12708640291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354320105 + 6354320106.

It is an arithmetic number, because the mean of its divisors is an integer number (6354320106).

Almost surely, 2^12708640211 is an apocalyptic number.

12708640211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12708640211 is an equidigital number, since it uses as much as digits as its factorization.

12708640211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 12708640211 in words is "twelve billion, seven hundred eight million, six hundred forty thousand, two hundred eleven".