1012404215399 has 2 divisors, whose sum is σ = 1012404215400. Its totient is φ = 1012404215398.

The previous prime is 1012404215351. The next prime is 1012404215477. The reversal of 1012404215399 is 9935124042101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012404215399 - 2²⁰ = 1012403166823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012404214399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506202107699 + 506202107700.

It is an arithmetic number, because the mean of its divisors is an integer number (506202107700).

Almost surely, 2^{1012404215399} is an apocalyptic number.

1012404215399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012404215399 is an equidigital number, since it uses as much as digits as its factorization.

1012404215399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 1012404215399 in words is "one trillion, twelve billion, four hundred four million, two hundred fifteen thousand, three hundred ninety-nine".