1200101200099 has 2 divisors, whose sum is σ = 1200101200100. Its totient is φ = 1200101200098.

The previous prime is 1200101200079. The next prime is 1200101200157. The reversal of 1200101200099 is 9900021010021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200101200099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200101200009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600050600049 + 600050600050.

It is an arithmetic number, because the mean of its divisors is an integer number (600050600050).

Almost surely, 2^{1200101200099} is an apocalyptic number.

1200101200099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200101200099 is an equidigital number, since it uses as much as digits as its factorization.

1200101200099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 1200101200099 in words is "one trillion, two hundred billion, one hundred one million, two hundred thousand, ninety-nine".