12424444400 has 30 divisors (see below), whose sum is σ = 29849728632. Its totient is φ = 4969777600.

The previous prime is 12424444363. The next prime is 12424444429. The reversal of 12424444400 is 444442421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15530156 + ... + 15530955.

Almost surely, 2^12424444400 is an apocalyptic number.

12424444400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12424444400 is an abundant number, since it is smaller than the sum of its proper divisors (17425284232).

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

12424444400 is a wasteful number, since it uses less digits than its factorization.

12424444400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31061129 (or 31061118 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 12424444400 its reverse (444442421), we get a palindrome (12868886821).

The spelling of 12424444400 in words is "twelve billion, four hundred twenty-four million, four hundred forty-four thousand, four hundred".