12263996161 has 2 divisors, whose sum is σ = 12263996162. Its totient is φ = 12263996160.

The previous prime is 12263996153. The next prime is 12263996167. The reversal of 12263996161 is 16169936221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12137208561 + 126787600 = 110169^2 + 11260^2 .

It is a cyclic number.

It is not a de Polignac number, because 12263996161 - 2³ = 12263996153 is a prime.

It is not a weakly prime, because it can be changed into another prime (12263996167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6131998080 + 6131998081.

It is an arithmetic number, because the mean of its divisors is an integer number (6131998081).

Almost surely, 2^12263996161 is an apocalyptic number.

It is an amenable number.

12263996161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12263996161 is an equidigital number, since it uses as much as digits as its factorization.

12263996161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 46.

The spelling of 12263996161 in words is "twelve billion, two hundred sixty-three million, nine hundred ninety-six thousand, one hundred sixty-one".