12519184209 has 16 divisors (see below), whose sum is σ = 19251872640. Its totient is φ = 7088186880.

The previous prime is 12519184207. The next prime is 12519184213. The reversal of 12519184209 is 90248191521.

It is not a de Polignac number, because 12519184209 - 2¹ = 12519184207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12519184207) 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, 2732352 + ... + 2736929.

It is an arithmetic number, because the mean of its divisors is an integer number (1203242040).

Almost surely, 2^12519184209 is an apocalyptic number.

It is an amenable number.

12519184209 is a deficient number, since it is larger than the sum of its proper divisors (6732688431).

12519184209 is a wasteful number, since it uses less digits than its factorization.

12519184209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469400.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 12519184209 in words is "twelve billion, five hundred nineteen million, one hundred eighty-four thousand, two hundred nine".