12189433834 has 8 divisors (see below), whose sum is σ = 18331891200. Its totient is φ = 6078803436.

The previous prime is 12189433811. The next prime is 12189433847. The reversal of 12189433834 is 43833498121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7955784 + ... + 7957315.

It is an arithmetic number, because the mean of its divisors is an integer number (2291486400).

Almost surely, 2^12189433834 is an apocalyptic number.

12189433834 is a deficient number, since it is larger than the sum of its proper divisors (6142457366).

12189433834 is a wasteful number, since it uses less digits than its factorization.

12189433834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15913484.

The product of its digits is 497664, while the sum is 46.

The spelling of 12189433834 in words is "twelve billion, one hundred eighty-nine million, four hundred thirty-three thousand, eight hundred thirty-four".