12222133200 has 240 divisors, whose sum is σ = 44241364800. Its totient is φ = 3203827200.

The previous prime is 12222133199. The next prime is 12222133207. The reversal of 12222133200 is 233122221.

12222133200 is a `hidden beast` number, since 122 + 221 + 3 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222133207) 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, 627610 + ... + 646790.

It is an arithmetic number, because the mean of its divisors is an integer number (184339020).

Almost surely, 2^12222133200 is an apocalyptic number.

12222133200 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 12222133200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22120682400).

12222133200 is an abundant number, since it is smaller than the sum of its proper divisors (32019231600).

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

12222133200 is a wasteful number, since it uses less digits than its factorization.

12222133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19267 (or 19250 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12222133200 its reverse (233122221), we get a palindrome (12455255421).

The spelling of 12222133200 in words is "twelve billion, two hundred twenty-two million, one hundred thirty-three thousand, two hundred".