1222303331200 has 192 divisors, whose sum is σ = 3452038876800. Its totient is φ = 418927933440.

The previous prime is 1222303331173. The next prime is 1222303331203. The reversal of 1222303331200 is 21333032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222303331203) 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 23 ways as a sum of consecutive naturals, for example, 77652931 + ... + 77668669.

It is an arithmetic number, because the mean of its divisors is an integer number (17979369150).

Almost surely, 2^{1222303331200} is an apocalyptic number.

1222303331200 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 1222303331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726019438400).

1222303331200 is an abundant number, since it is smaller than the sum of its proper divisors (2229735545600).

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

1222303331200 is a wasteful number, since it uses less digits than its factorization.

1222303331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19237 (or 19220 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1222303331200 its reverse (21333032221), we get a palindrome (1243636363421).

The spelling of 1222303331200 in words is "one trillion, two hundred twenty-two billion, three hundred three million, three hundred thirty-one thousand, two hundred".