1200316905899 has 2 divisors, whose sum is σ = 1200316905900. Its totient is φ = 1200316905898.

The previous prime is 1200316905881. The next prime is 1200316905913. The reversal of 1200316905899 is 9985096130021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200316905899 - 2⁸ = 1200316905643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200316905899.

It is not a weakly prime, because it can be changed into another prime (1200316905869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600158452949 + 600158452950.

It is an arithmetic number, because the mean of its divisors is an integer number (600158452950).

Almost surely, 2^{1200316905899} is an apocalyptic number.

1200316905899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200316905899 is an equidigital number, since it uses as much as digits as its factorization.

1200316905899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 1200316905899 in words is "one trillion, two hundred billion, three hundred sixteen million, nine hundred five thousand, eight hundred ninety-nine".