12667222383779 has 2 divisors, whose sum is σ = 12667222383780. Its totient is φ = 12667222383778.

The previous prime is 12667222383757. The next prime is 12667222383791. The reversal of 12667222383779 is 97738322276621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12667222383779 - 2⁸ = 12667222383523 is a prime.

It is a super-2 number, since 2×12667222383779² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12667222383719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6333611191889 + 6333611191890.

It is an arithmetic number, because the mean of its divisors is an integer number (6333611191890).

Almost surely, 2^{12667222383779} is an apocalyptic number.

12667222383779 is a deficient number, since it is larger than the sum of its proper divisors (1).

12667222383779 is an equidigital number, since it uses as much as digits as its factorization.

12667222383779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128024064, while the sum is 65.

The spelling of 12667222383779 in words is "twelve trillion, six hundred sixty-seven billion, two hundred twenty-two million, three hundred eighty-three thousand, seven hundred seventy-nine".