1323113201200 has 240 divisors, whose sum is σ = 3688024379904. Its totient is φ = 446768179200.

The previous prime is 1323113201197. The next prime is 1323113201203. The reversal of 1323113201200 is 21023113231.

It is an interprime number because it is at equal distance from previous prime (1323113201197) and next prime (1323113201203).

It is not an unprimeable number, because it can be changed into a prime (1323113201203) 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, 218080567 + ... + 218086633.

Almost surely, 2^{1323113201200} is an apocalyptic number.

1323113201200 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 1323113201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1844012189952).

1323113201200 is an abundant number, since it is smaller than the sum of its proper divisors (2364911178704).

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

1323113201200 is a wasteful number, since it uses less digits than its factorization.

1323113201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260 (or 7249 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1323113201200 its reverse (21023113231), we get a palindrome (1344136314431).

The spelling of 1323113201200 in words is "one trillion, three hundred twenty-three billion, one hundred thirteen million, two hundred one thousand, two hundred".