1299223897199 has 2 divisors, whose sum is σ = 1299223897200. Its totient is φ = 1299223897198.

The previous prime is 1299223897177. The next prime is 1299223897241. The reversal of 1299223897199 is 9917983229921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1299223897199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299223897799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649611948599 + 649611948600.

It is an arithmetic number, because the mean of its divisors is an integer number (649611948600).

Almost surely, 2^{1299223897199} is an apocalyptic number.

1299223897199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299223897199 is an equidigital number, since it uses as much as digits as its factorization.

1299223897199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79361856, while the sum is 71.

The spelling of 1299223897199 in words is "one trillion, two hundred ninety-nine billion, two hundred twenty-three million, eight hundred ninety-seven thousand, one hundred ninety-nine".