12108671369 has 2 divisors, whose sum is σ = 12108671370. Its totient is φ = 12108671368.

The previous prime is 12108671353. The next prime is 12108671401. The reversal of 12108671369 is 96317680121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12091861369 + 16810000 = 109963^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 12108671369 - 2⁴ = 12108671353 is a prime.

It is a super-2 number, since 2×12108671369² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12108671569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6054335684 + 6054335685.

It is an arithmetic number, because the mean of its divisors is an integer number (6054335685).

Almost surely, 2^12108671369 is an apocalyptic number.

It is an amenable number.

12108671369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12108671369 is an equidigital number, since it uses as much as digits as its factorization.

12108671369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 12108671369 in words is "twelve billion, one hundred eight million, six hundred seventy-one thousand, three hundred sixty-nine".