1323120202099 has 2 divisors, whose sum is σ = 1323120202100. Its totient is φ = 1323120202098.

The previous prime is 1323120202069. The next prime is 1323120202123. The reversal of 1323120202099 is 9902020213231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323120202099 - 2⁷ = 1323120201971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323120202069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661560101049 + 661560101050.

It is an arithmetic number, because the mean of its divisors is an integer number (661560101050).

Almost surely, 2^{1323120202099} is an apocalyptic number.

1323120202099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323120202099 is an equidigital number, since it uses as much as digits as its factorization.

1323120202099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 1323120202099 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred two thousand, ninety-nine".