12018322 has 8 divisors (see below), whose sum is σ = 18135936. Its totient is φ = 5973012.

The previous prime is 12018319. The next prime is 12018329. The reversal of 12018322 is 22381021.

12018322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12018322.

It is not an unprimeable number, because it can be changed into a prime (12018329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17658 + ... + 18325.

It is an arithmetic number, because the mean of its divisors is an integer number (2266992).

Almost surely, 2^12018322 is an apocalyptic number.

12018322 is a deficient number, since it is larger than the sum of its proper divisors (6117614).

12018322 is a wasteful number, since it uses less digits than its factorization.

12018322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36152.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12018322 is about 3466.7451593678. The cubic root of 12018322 is about 229.0593084500.

Adding to 12018322 its reverse (22381021), we get a palindrome (34399343).

The spelling of 12018322 in words is "twelve million, eighteen thousand, three hundred twenty-two".