12000498909 has 12 divisors (see below), whose sum is σ = 18613018944. Its totient is φ = 6857427864.

The previous prime is 12000498901. The next prime is 12000498931. The reversal of 12000498909 is 90989400021.

12000498909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12000498909 - 2³ = 12000498901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000498901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40817877 + ... + 40818170.

It is an arithmetic number, because the mean of its divisors is an integer number (1551084912).

Almost surely, 2^12000498909 is an apocalyptic number.

It is an amenable number.

12000498909 is a deficient number, since it is larger than the sum of its proper divisors (6612520035).

12000498909 is an equidigital number, since it uses as much as digits as its factorization.

12000498909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81636064 (or 81636057 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 12000498909 in words is "twelve billion, four hundred ninety-eight thousand, nine hundred nine".