12231003200 has 126 divisors (see below), whose sum is σ = 32589785214. Its totient is φ = 4515962880.

The previous prime is 12231003193. The next prime is 12231003259. The reversal of 12231003200 is 230013221.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 4042925056 + 8188078144 = 63584^2 + 90488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 247784 + ... + 293016.

It is an arithmetic number, because the mean of its divisors is an integer number (258649089).

Almost surely, 2^12231003200 is an apocalyptic number.

12231003200 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 12231003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16294892607).

12231003200 is an abundant number, since it is smaller than the sum of its proper divisors (20358782014).

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

12231003200 is a wasteful number, since it uses less digits than its factorization.

12231003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45281 (or 45253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12231003200 its reverse (230013221), we get a palindrome (12461016421).

The spelling of 12231003200 in words is "twelve billion, two hundred thirty-one million, three thousand, two hundred".