12441332220400 has 30 divisors (see below), whose sum is σ = 29890300660472. Its totient is φ = 4976532888000.

The previous prime is 12441332220391. The next prime is 12441332220467. The reversal of 12441332220400 is 402223314421.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 15551664876 + ... + 15551665675.

Almost surely, 2^{12441332220400} is an apocalyptic number.

12441332220400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12441332220400 is an abundant number, since it is smaller than the sum of its proper divisors (17448968440072).

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

12441332220400 is a wasteful number, since it uses less digits than its factorization.

12441332220400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31103330569 (or 31103330558 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12441332220400 its reverse (402223314421), we get a palindrome (12843555534821).

The spelling of 12441332220400 in words is "twelve trillion, four hundred forty-one billion, three hundred thirty-two million, two hundred twenty thousand, four hundred".