1333221121200 has 240 divisors, whose sum is σ = 4295668554656. Its totient is φ = 353457561600.

The previous prime is 1333221121187. The next prime is 1333221121259. The reversal of 1333221121200 is 21211223331.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149108730 + ... + 149117670.

Almost surely, 2^{1333221121200} is an apocalyptic number.

1333221121200 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 1333221121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147834277328).

1333221121200 is an abundant number, since it is smaller than the sum of its proper divisors (2962447433456).

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

1333221121200 is a wasteful number, since it uses less digits than its factorization.

1333221121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672 (or 9661 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1333221121200 its reverse (21211223331), we get a palindrome (1354432344531).

The spelling of 1333221121200 in words is "one trillion, three hundred thirty-three billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred".