12114432218 has 32 divisors (see below), whose sum is σ = 21504735360. Its totient is φ = 5007965760.

The previous prime is 12114432217. The next prime is 12114432221. The reversal of 12114432218 is 81223441121.

It is a super-3 number, since 3×12114432218³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12114432217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416705 + ... + 444827.

It is an arithmetic number, because the mean of its divisors is an integer number (672022980).

Almost surely, 2^12114432218 is an apocalyptic number.

12114432218 is a deficient number, since it is larger than the sum of its proper divisors (9390303142).

12114432218 is a wasteful number, since it uses less digits than its factorization.

12114432218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29222.

The product of its digits is 3072, while the sum is 29.

Adding to 12114432218 its reverse (81223441121), we get a palindrome (93337873339).

The spelling of 12114432218 in words is "twelve billion, one hundred fourteen million, four hundred thirty-two thousand, two hundred eighteen".