12911069201 has 2 divisors, whose sum is σ = 12911069202. Its totient is φ = 12911069200.

The previous prime is 12911069191. The next prime is 12911069209. The reversal of 12911069201 is 10296011921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12579865600 + 331203601 = 112160^2 + 18199^2 .

It is a cyclic number.

It is not a de Polignac number, because 12911069201 - 2³⁰ = 11837327377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12911069209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6455534600 + 6455534601.

It is an arithmetic number, because the mean of its divisors is an integer number (6455534601).

Almost surely, 2^12911069201 is an apocalyptic number.

It is an amenable number.

12911069201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12911069201 is an equidigital number, since it uses as much as digits as its factorization.

12911069201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 12911069201 in words is "twelve billion, nine hundred eleven million, sixty-nine thousand, two hundred one".