133121023200 has 216 divisors, whose sum is σ = 512092677096. Its totient is φ = 32271744000.

The previous prime is 133121023187. The next prime is 133121023261. The reversal of 133121023200 is 2320121331.

133121023200 is a `hidden beast` number, since 1 + 331 + 2 + 10 + 2 + 320 + 0 = 666.

133121023200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 761211 + ... + 919610.

It is an arithmetic number, because the mean of its divisors is an integer number (2370799431).

Almost surely, 2^133121023200 is an apocalyptic number.

133121023200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133121023200 is an abundant number, since it is smaller than the sum of its proper divisors (378971653896).

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

133121023200 is a wasteful number, since it uses less digits than its factorization.

133121023200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680858 (or 1680842 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 133121023200 its reverse (2320121331), we get a palindrome (135441144531).

The spelling of 133121023200 in words is "one hundred thirty-three billion, one hundred twenty-one million, twenty-three thousand, two hundred".