133200812 has 12 divisors (see below), whose sum is σ = 233256576. Its totient is φ = 66556080.

The previous prime is 133200803. The next prime is 133200817. The reversal of 133200812 is 218002331.

133200812 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

133200812 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (133200817) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3788 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (19438048).

Almost surely, 2^133200812 is an apocalyptic number.

It is an amenable number.

133200812 is a deficient number, since it is larger than the sum of its proper divisors (100055764).

133200812 is a wasteful number, since it uses less digits than its factorization.

133200812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22168 (or 22166 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 133200812 is about 11541.2656151741. The cubic root of 133200812 is about 510.7036449108.

The spelling of 133200812 in words is "one hundred thirty-three million, two hundred thousand, eight hundred twelve".