12172324267 has 2 divisors, whose sum is σ = 12172324268. Its totient is φ = 12172324266.

The previous prime is 12172324211. The next prime is 12172324289. The reversal of 12172324267 is 76242327121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12172324267 is a prime.

It is not a weakly prime, because it can be changed into another prime (12172324867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6086162133 + 6086162134.

It is an arithmetic number, because the mean of its divisors is an integer number (6086162134).

Almost surely, 2^12172324267 is an apocalyptic number.

12172324267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12172324267 is an equidigital number, since it uses as much as digits as its factorization.

12172324267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The spelling of 12172324267 in words is "twelve billion, one hundred seventy-two million, three hundred twenty-four thousand, two hundred sixty-seven".