12424131209 has 8 divisors (see below), whose sum is σ = 14199686400. Its totient is φ = 10648745856.

The previous prime is 12424131163. The next prime is 12424131227. The reversal of 12424131209 is 90213142421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12424131209 - 2²⁴ = 12407353993 is a prime.

It is a super-3 number, since 3×12424131209³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12424131259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236537 + ... + 284249.

It is an arithmetic number, because the mean of its divisors is an integer number (1774960800).

Almost surely, 2^12424131209 is an apocalyptic number.

It is an amenable number.

12424131209 is a deficient number, since it is larger than the sum of its proper divisors (1775555191).

12424131209 is an equidigital number, since it uses as much as digits as its factorization.

12424131209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84919.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 12424131209 in words is "twelve billion, four hundred twenty-four million, one hundred thirty-one thousand, two hundred nine".