12000221200 has 240 divisors, whose sum is σ = 32282219520. Its totient is φ = 4250176000.

The previous prime is 12000221183. The next prime is 12000221203. The reversal of 12000221200 is 212200021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12000221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33426621 + ... + 33426979.

It is an arithmetic number, because the mean of its divisors is an integer number (134509248).

Almost surely, 2^12000221200 is an apocalyptic number.

12000221200 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 12000221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16141109760).

12000221200 is an abundant number, since it is smaller than the sum of its proper divisors (20281998320).

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

12000221200 is a wasteful number, since it uses less digits than its factorization.

12000221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000221200 its reverse (212200021), we get a palindrome (12212421221).

The spelling of 12000221200 in words is "twelve billion, two hundred twenty-one thousand, two hundred".