12443420200 has 48 divisors (see below), whose sum is σ = 28964200860. Its totient is φ = 4971648000.

The previous prime is 12443420167. The next prime is 12443420239. The reversal of 12443420200 is 202434421.

It is a happy number.

12443420200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4802212804 + 7641207396 = 69298^2 + 87414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140890 + ... + 211510.

Almost surely, 2^12443420200 is an apocalyptic number.

12443420200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12443420200 is an abundant number, since it is smaller than the sum of its proper divisors (16520780660).

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

12443420200 is a wasteful number, since it uses less digits than its factorization.

12443420200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71518 (or 71509 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12443420200 its reverse (202434421), we get a palindrome (12645854621).

The spelling of 12443420200 in words is "twelve billion, four hundred forty-three million, four hundred twenty thousand, two hundred".