1244027412899 has 2 divisors, whose sum is σ = 1244027412900. Its totient is φ = 1244027412898.

The previous prime is 1244027412893. The next prime is 1244027413021. The reversal of 1244027412899 is 9982147204421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244027412899 - 2⁴ = 1244027412883 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244027412899.

It is not a weakly prime, because it can be changed into another prime (1244027412893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622013706449 + 622013706450.

It is an arithmetic number, because the mean of its divisors is an integer number (622013706450).

Almost surely, 2^{1244027412899} is an apocalyptic number.

1244027412899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244027412899 is an equidigital number, since it uses as much as digits as its factorization.

1244027412899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 1244027412899 in words is "one trillion, two hundred forty-four billion, twenty-seven million, four hundred twelve thousand, eight hundred ninety-nine".