133232231200 has 72 divisors (see below), whose sum is σ = 325565295300. Its totient is φ = 53241753600.

The previous prime is 133232231191. The next prime is 133232231221. The reversal of 133232231200 is 2132232331.

It can be written as a sum of positive squares in 6 ways, for example, as 44330460304 + 88901770896 = 210548^2 + 298164^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759820 + ... + 918580.

Almost surely, 2^133232231200 is an apocalyptic number.

133232231200 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 133232231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162782647650).

133232231200 is an abundant number, since it is smaller than the sum of its proper divisors (192333064100).

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

133232231200 is a wasteful number, since it uses less digits than its factorization.

133232231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159830 (or 159817 counting only the distinct ones).

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

Adding to 133232231200 its reverse (2132232331), we get a palindrome (135364463531).

The spelling of 133232231200 in words is "one hundred thirty-three billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred".