12267605279 has 2 divisors, whose sum is σ = 12267605280. Its totient is φ = 12267605278.

The previous prime is 12267605239. The next prime is 12267605299. The reversal of 12267605279 is 97250676221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12267605279 - 2⁸ = 12267605023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12267605239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6133802639 + 6133802640.

It is an arithmetic number, because the mean of its divisors is an integer number (6133802640).

Almost surely, 2^12267605279 is an apocalyptic number.

12267605279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12267605279 is an equidigital number, since it uses as much as digits as its factorization.

12267605279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 12267605279 in words is "twelve billion, two hundred sixty-seven million, six hundred five thousand, two hundred seventy-nine".