133112320200 has 72 divisors (see below), whose sum is σ = 447035548050. Its totient is φ = 35496618240.

The previous prime is 133112320199. The next prime is 133112320207. The reversal of 133112320200 is 2023211331.

133112320200 is a `hidden beast` number, since 1 + 33 + 112 + 320 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 104894367876 + 28217952324 = 323874^2 + 167982^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (133112320207) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36973845 + ... + 36977444.

Almost surely, 2^133112320200 is an apocalyptic number.

133112320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133112320200 is an abundant number, since it is smaller than the sum of its proper divisors (313923227850).

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

133112320200 is a wasteful number, since it uses less digits than its factorization.

133112320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73951311 (or 73951299 counting only the distinct ones).

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

Adding to 133112320200 its reverse (2023211331), we get a palindrome (135135531531).

The spelling of 133112320200 in words is "one hundred thirty-three billion, one hundred twelve million, three hundred twenty thousand, two hundred".