12040322420591 has 2 divisors, whose sum is σ = 12040322420592. Its totient is φ = 12040322420590.

The previous prime is 12040322420563. The next prime is 12040322420597. The reversal of 12040322420591 is 19502422304021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12040322420591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12040322420597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020161210295 + 6020161210296.

It is an arithmetic number, because the mean of its divisors is an integer number (6020161210296).

Almost surely, 2^{12040322420591} is an apocalyptic number.

12040322420591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12040322420591 is an equidigital number, since it uses as much as digits as its factorization.

12040322420591 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 35.

The spelling of 12040322420591 in words is "twelve trillion, forty billion, three hundred twenty-two million, four hundred twenty thousand, five hundred ninety-one".