12404040253009 has 2 divisors, whose sum is σ = 12404040253010. Its totient is φ = 12404040253008.

The previous prime is 12404040253001. The next prime is 12404040253021. The reversal of 12404040253009 is 90035204040421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11140428201984 + 1263612051025 = 3337728^2 + 1124105^2 .

It is an emirp because it is prime and its reverse (90035204040421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12404040253009 - 2³ = 12404040253001 is a prime.

It is not a weakly prime, because it can be changed into another prime (12404040253001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202020126504 + 6202020126505.

It is an arithmetic number, because the mean of its divisors is an integer number (6202020126505).

Almost surely, 2^{12404040253009} is an apocalyptic number.

It is an amenable number.

12404040253009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404040253009 is an equidigital number, since it uses as much as digits as its factorization.

12404040253009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 12404040253009 in words is "twelve trillion, four hundred four billion, forty million, two hundred fifty-three thousand, nine".