12650869811 has 2 divisors, whose sum is σ = 12650869812. Its totient is φ = 12650869810.

The previous prime is 12650869799. The next prime is 12650869823. The reversal of 12650869811 is 11896805621.

It is a happy number.

12650869811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12650869799) and next prime (12650869823).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12650869811 is a prime.

It is not a weakly prime, because it can be changed into another prime (12650869831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325434905 + 6325434906.

It is an arithmetic number, because the mean of its divisors is an integer number (6325434906).

Almost surely, 2^12650869811 is an apocalyptic number.

12650869811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12650869811 is an equidigital number, since it uses as much as digits as its factorization.

12650869811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 12650869811 in words is "twelve billion, six hundred fifty million, eight hundred sixty-nine thousand, eight hundred eleven".