12432440200 has 48 divisors (see below), whose sum is σ = 29301422580. Its totient is φ = 4904847360.

The previous prime is 12432440197. The next prime is 12432440233. The reversal of 12432440200 is 204423421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1017227236 + 11415212964 = 31894^2 + 106842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411169 + ... + 440368.

Almost surely, 2^12432440200 is an apocalyptic number.

12432440200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12432440200 is an abundant number, since it is smaller than the sum of its proper divisors (16868982380).

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

12432440200 is a wasteful number, since it uses less digits than its factorization.

12432440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851626 (or 851617 counting only the distinct ones).

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

Adding to 12432440200 its reverse (204423421), we get a palindrome (12636863621).

The spelling of 12432440200 in words is "twelve billion, four hundred thirty-two million, four hundred forty thousand, two hundred".