12444203432 has 8 divisors (see below), whose sum is σ = 23332881450. Its totient is φ = 6222101712.

The previous prime is 12444203411. The next prime is 12444203449. The reversal of 12444203432 is 23430244421.

It can be written as a sum of positive squares in only one way, i.e., 10275065956 + 2169137476 = 101366^2 + 46574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12444203395 and 12444203404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777762707 + ... + 777762722.

Almost surely, 2^12444203432 is an apocalyptic number.

It is an amenable number.

12444203432 is a deficient number, since it is larger than the sum of its proper divisors (10888678018).

12444203432 is a wasteful number, since it uses less digits than its factorization.

12444203432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555525435 (or 1555525431 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 12444203432 its reverse (23430244421), we get a palindrome (35874447853).

The spelling of 12444203432 in words is "twelve billion, four hundred forty-four million, two hundred three thousand, four hundred thirty-two".