12421372200 has 96 divisors (see below), whose sum is σ = 38674831200. Its totient is φ = 3297864960.

The previous prime is 12421372181. The next prime is 12421372213. The reversal of 12421372200 is 227312421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92199 + ... + 182601.

It is an arithmetic number, because the mean of its divisors is an integer number (402862825).

Almost surely, 2^12421372200 is an apocalyptic number.

12421372200 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 12421372200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19337415600).

12421372200 is an abundant number, since it is smaller than the sum of its proper divisors (26253459000).

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

12421372200 is a wasteful number, since it uses less digits than its factorization.

12421372200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90651 (or 90642 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 12421372200 its reverse (227312421), we get a palindrome (12648684621).

The spelling of 12421372200 in words is "twelve billion, four hundred twenty-one million, three hundred seventy-two thousand, two hundred".