12100900099 has 4 divisors (see below), whose sum is σ = 12101217264. Its totient is φ = 12100582936.

The previous prime is 12100900081. The next prime is 12100900121. The reversal of 12100900099 is 99000900121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100900099 - 2¹⁷ = 12100769027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12100900099.

It is not an unprimeable number, because it can be changed into a prime (12100900039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92047 + ... + 180760.

It is an arithmetic number, because the mean of its divisors is an integer number (3025304316).

Almost surely, 2^12100900099 is an apocalyptic number.

12100900099 is a deficient number, since it is larger than the sum of its proper divisors (317165).

12100900099 is an equidigital number, since it uses as much as digits as its factorization.

12100900099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317164.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 12100900099 in words is "twelve billion, one hundred million, nine hundred thousand, ninety-nine".