12440447200 has 36 divisors (see below), whose sum is σ = 30370243680. Its totient is φ = 4976178560.

The previous prime is 12440447197. The next prime is 12440447203. The reversal of 12440447200 is 274404421.

It is an interprime number because it is at equal distance from previous prime (12440447197) and next prime (12440447203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440447203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7774480 + ... + 7776079.

It is an arithmetic number, because the mean of its divisors is an integer number (843617880).

Almost surely, 2^12440447200 is an apocalyptic number.

12440447200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440447200 is an abundant number, since it is smaller than the sum of its proper divisors (17929796480).

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

12440447200 is a wasteful number, since it uses less digits than its factorization.

12440447200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15550579 (or 15550566 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The spelling of 12440447200 in words is "twelve billion, four hundred forty million, four hundred forty-seven thousand, two hundred".