12347432185 has 8 divisors (see below), whose sum is σ = 16163911296. Its totient is φ = 8979950640.

The previous prime is 12347432183. The next prime is 12347432213. The reversal of 12347432185 is 58123474321.

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

It is not a de Polignac number, because 12347432185 - 2¹ = 12347432183 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12347432183) 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, 112249329 + ... + 112249438.

It is an arithmetic number, because the mean of its divisors is an integer number (2020488912).

Almost surely, 2^12347432185 is an apocalyptic number.

It is an amenable number.

12347432185 is a deficient number, since it is larger than the sum of its proper divisors (3816479111).

12347432185 is a wasteful number, since it uses less digits than its factorization.

12347432185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224498783.

The product of its digits is 161280, while the sum is 40.

The spelling of 12347432185 in words is "twelve billion, three hundred forty-seven million, four hundred thirty-two thousand, one hundred eighty-five".