12326129979769 has 2 divisors, whose sum is σ = 12326129979770. Its totient is φ = 12326129979768.

The previous prime is 12326129979607. The next prime is 12326129979797. The reversal of 12326129979769 is 96797992162321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7083518374144 + 5242611605625 = 2661488^2 + 2289675^2 .

It is a cyclic number.

It is not a de Polignac number, because 12326129979769 - 2³¹ = 12323982496121 is a prime.

It is a super-2 number, since 2×12326129979769² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12326129979269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6163064989884 + 6163064989885.

It is an arithmetic number, because the mean of its divisors is an integer number (6163064989885).

Almost surely, 2^{12326129979769} is an apocalyptic number.

It is an amenable number.

12326129979769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12326129979769 is an equidigital number, since it uses as much as digits as its factorization.

12326129979769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277766496, while the sum is 73.

The spelling of 12326129979769 in words is "twelve trillion, three hundred twenty-six billion, one hundred twenty-nine million, nine hundred seventy-nine thousand, seven hundred sixty-nine".