12361110312409 has 2 divisors, whose sum is σ = 12361110312410. Its totient is φ = 12361110312408.

The previous prime is 12361110312379. The next prime is 12361110312497. The reversal of 12361110312409 is 90421301116321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12027003192009 + 334107120400 = 3467997^2 + 578020^2 .

It is a cyclic number.

It is not a de Polignac number, because 12361110312409 - 2³³ = 12352520377817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12361110112409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180555156204 + 6180555156205.

It is an arithmetic number, because the mean of its divisors is an integer number (6180555156205).

Almost surely, 2^{12361110312409} is an apocalyptic number.

It is an amenable number.

12361110312409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12361110312409 is an equidigital number, since it uses as much as digits as its factorization.

12361110312409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 12361110312409 in words is "twelve trillion, three hundred sixty-one billion, one hundred ten million, three hundred twelve thousand, four hundred nine".