12040322420509 has 2 divisors, whose sum is σ = 12040322420510. Its totient is φ = 12040322420508.

The previous prime is 12040322420507. The next prime is 12040322420563. The reversal of 12040322420509 is 90502422304021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11954237100100 + 86085320409 = 3457490^2 + 293403^2 .

It is a cyclic number.

It is not a de Polignac number, because 12040322420509 - 2¹ = 12040322420507 is a prime.

Together with 12040322420507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12040322420507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020161210254 + 6020161210255.

It is an arithmetic number, because the mean of its divisors is an integer number (6020161210255).

Almost surely, 2^{12040322420509} is an apocalyptic number.

It is an amenable number.

12040322420509 is a deficient number, since it is larger than the sum of its proper divisors (1).

12040322420509 is an equidigital number, since it uses as much as digits as its factorization.

12040322420509 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 12040322420509 in words is "twelve trillion, forty billion, three hundred twenty-two million, four hundred twenty thousand, five hundred nine".