4245221213200 has 240 divisors, whose sum is σ = 11475631584000. Its totient is φ = 1495905280000.

The previous prime is 4245221213197. The next prime is 4245221213209. The reversal of 4245221213200 is 23121225424.

It is not an unprimeable number, because it can be changed into a prime (4245221213209) by changing a digit.

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, 20785176 + ... + 20988424.

It is an arithmetic number, because the mean of its divisors is an integer number (47815131600).

Almost surely, 2^{4245221213200} is an apocalyptic number.

4245221213200 is a gapful number since it is divisible by the number (40) 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 4245221213200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5737815792000).

4245221213200 is an abundant number, since it is smaller than the sum of its proper divisors (7230410370800).

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

4245221213200 is a wasteful number, since it uses less digits than its factorization.

4245221213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203426 (or 203415 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 4245221213200 its reverse (23121225424), we get a palindrome (4268342438624).

The spelling of 4245221213200 in words is "four trillion, two hundred forty-five billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred".