12122432318 has 16 divisors (see below), whose sum is σ = 19301793264. Its totient is φ = 5690298240.

The previous prime is 12122432317. The next prime is 12122432347. The reversal of 12122432318 is 81323422121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122432317) 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, 435548 + ... + 462543.

It is an arithmetic number, because the mean of its divisors is an integer number (1206362079).

Almost surely, 2^12122432318 is an apocalyptic number.

12122432318 is a deficient number, since it is larger than the sum of its proper divisors (7179360946).

12122432318 is a wasteful number, since it uses less digits than its factorization.

12122432318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898507.

The product of its digits is 4608, while the sum is 29.

Adding to 12122432318 its reverse (81323422121), we get a palindrome (93445854439).

The spelling of 12122432318 in words is "twelve billion, one hundred twenty-two million, four hundred thirty-two thousand, three hundred eighteen".