12444432120 has 96 divisors (see below), whose sum is σ = 40898941200. Its totient is φ = 3281220096.

The previous prime is 12444432073. The next prime is 12444432137. The reversal of 12444432120 is 2123444421.

12444432120 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 443 + 212 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162162 + ... + 226241.

Almost surely, 2^12444432120 is an apocalyptic number.

12444432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12444432120 is an abundant number, since it is smaller than the sum of its proper divisors (28454509080).

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

12444432120 is a wasteful number, since it uses less digits than its factorization.

12444432120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388509 (or 388502 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12444432120 its reverse (2123444421), we get a palindrome (14567876541).

The spelling of 12444432120 in words is "twelve billion, four hundred forty-four million, four hundred thirty-two thousand, one hundred twenty".