133201121200 has 120 divisors (see below), whose sum is σ = 365904025088. Its totient is φ = 45647504640.

The previous prime is 133201121197. The next prime is 133201121237. The reversal of 133201121200 is 2121102331.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6662419 + ... + 6682381.

Almost surely, 2^133201121200 is an apocalyptic number.

133201121200 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 133201121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182952012544).

133201121200 is an abundant number, since it is smaller than the sum of its proper divisors (232702903888).

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

133201121200 is a wasteful number, since it uses less digits than its factorization.

133201121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22371 (or 22360 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 133201121200 its reverse (2121102331), we get a palindrome (135322223531).

The spelling of 133201121200 in words is "one hundred thirty-three billion, two hundred one million, one hundred twenty-one thousand, two hundred".