12222163200 has 432 divisors, whose sum is σ = 45348347520. Its totient is φ = 2876375040.

The previous prime is 12222163171. The next prime is 12222163207. The reversal of 12222163200 is 236122221.

It is not an unprimeable number, because it can be changed into a prime (12222163207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5739736 + ... + 5741864.

Almost surely, 2^12222163200 is an apocalyptic number.

12222163200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222163200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22674173760).

12222163200 is an abundant number, since it is smaller than the sum of its proper divisors (33126184320).

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

12222163200 is a wasteful number, since it uses less digits than its factorization.

12222163200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12222163200 its reverse (236122221), we get a palindrome (12458285421).

The spelling of 12222163200 in words is "twelve billion, two hundred twenty-two million, one hundred sixty-three thousand, two hundred".