12312303169 has 2 divisors, whose sum is σ = 12312303170. Its totient is φ = 12312303168.

The previous prime is 12312303137. The next prime is 12312303229. The reversal of 12312303169 is 96130321321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11769646144 + 542657025 = 108488^2 + 23295^2 .

It is an emirp because it is prime and its reverse (96130321321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12312303169 - 2⁵ = 12312303137 is a prime.

It is a super-2 number, since 2×12312303169² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12312303169.

It is not a weakly prime, because it can be changed into another prime (12312303469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156151584 + 6156151585.

It is an arithmetic number, because the mean of its divisors is an integer number (6156151585).

Almost surely, 2^12312303169 is an apocalyptic number.

It is an amenable number.

12312303169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312303169 is an equidigital number, since it uses as much as digits as its factorization.

12312303169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 12312303169 in words is "twelve billion, three hundred twelve million, three hundred three thousand, one hundred sixty-nine".