12409530099 has 16 divisors (see below), whose sum is σ = 17351076000. Its totient is φ = 7878318336.

The previous prime is 12409530083. The next prime is 12409530127. The reversal of 12409530099 is 99003590421.

It is not a de Polignac number, because 12409530099 - 2⁴ = 12409530083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12409530099.

It is not an unprimeable number, because it can be changed into a prime (12409530079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970624 + ... + 983325.

It is an arithmetic number, because the mean of its divisors is an integer number (1084442250).

Almost surely, 2^12409530099 is an apocalyptic number.

12409530099 is a deficient number, since it is larger than the sum of its proper divisors (4941545901).

12409530099 is a wasteful number, since it uses less digits than its factorization.

12409530099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954054.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 12409530099 in words is "twelve billion, four hundred nine million, five hundred thirty thousand, ninety-nine".