12964921223 has 2 divisors, whose sum is σ = 12964921224. Its totient is φ = 12964921222.

The previous prime is 12964921199. The next prime is 12964921237. The reversal of 12964921223 is 32212946921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12964921223 - 2⁶ = 12964921159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12964921423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6482460611 + 6482460612.

It is an arithmetic number, because the mean of its divisors is an integer number (6482460612).

Almost surely, 2^12964921223 is an apocalyptic number.

12964921223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12964921223 is an equidigital number, since it uses as much as digits as its factorization.

12964921223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The spelling of 12964921223 in words is "twelve billion, nine hundred sixty-four million, nine hundred twenty-one thousand, two hundred twenty-three".