12134432424 has 128 divisors (see below), whose sum is σ = 31791513600. Its totient is φ = 3855237120.

The previous prime is 12134432417. The next prime is 12134432449. The reversal of 12134432424 is 42423443121.

12134432424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12134432391 and 12134432400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15779112 + ... + 15779880.

It is an arithmetic number, because the mean of its divisors is an integer number (248371200).

Almost surely, 2^12134432424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12134432424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15895756800).

12134432424 is an abundant number, since it is smaller than the sum of its proper divisors (19657081176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12134432424 is a wasteful number, since it uses less digits than its factorization.

12134432424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1099 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 12134432424 its reverse (42423443121), we get a palindrome (54557875545).

The spelling of 12134432424 in words is "twelve billion, one hundred thirty-four million, four hundred thirty-two thousand, four hundred twenty-four".