12444223200 has 288 divisors, whose sum is σ = 41341104000. Its totient is φ = 3250821120.

The previous prime is 12444223151. The next prime is 12444223213. The reversal of 12444223200 is 232244421.

It is a super-3 number, since 3×12444223200³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 47 ways as a sum of consecutive naturals, for example, 35656626 + ... + 35656974.

It is an arithmetic number, because the mean of its divisors is an integer number (143545500).

Almost surely, 2^12444223200 is an apocalyptic number.

12444223200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12444223200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20670552000).

12444223200 is an abundant number, since it is smaller than the sum of its proper divisors (28896880800).

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

12444223200 is a wasteful number, since it uses less digits than its factorization.

12444223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12444223200 its reverse (232244421), we get a palindrome (12676467621).

The spelling of 12444223200 in words is "twelve billion, four hundred forty-four million, two hundred twenty-three thousand, two hundred".