12312301409 has 2 divisors, whose sum is σ = 12312301410. Its totient is φ = 12312301408.

The previous prime is 12312301301. The next prime is 12312301429. The reversal of 12312301409 is 90410321321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10074538384 + 2237763025 = 100372^2 + 47305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12312301409 is a prime.

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 (12312301429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156150704 + 6156150705.

It is an arithmetic number, because the mean of its divisors is an integer number (6156150705).

Almost surely, 2^12312301409 is an apocalyptic number.

It is an amenable number.

12312301409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312301409 is an equidigital number, since it uses as much as digits as its factorization.

12312301409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 12312301409 in words is "twelve billion, three hundred twelve million, three hundred one thousand, four hundred nine".