1222225013200 has 120 divisors (see below), whose sum is σ = 2977603200216. Its totient is φ = 482033664000.

The previous prime is 1222225013147. The next prime is 1222225013237. The reversal of 1222225013200 is 23105222221.

It can be written as a sum of positive squares in 12 ways, for example, as 233799326784 + 988425686416 = 483528^2 + 994196^2 .

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 23 ways as a sum of consecutive naturals, for example, 130840530 + ... + 130849870.

Almost surely, 2^{1222225013200} is an apocalyptic number.

1222225013200 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 1222225013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488801600108).

1222225013200 is an abundant number, since it is smaller than the sum of its proper divisors (1755378187016).

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

1222225013200 is a wasteful number, since it uses less digits than its factorization.

1222225013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13913 (or 13902 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The spelling of 1222225013200 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-five million, thirteen thousand, two hundred".