133200423881217 has 96 divisors (see below), whose sum is σ = 241621403721984. Its totient is φ = 68693106585600.

The previous prime is 133200423881183. The next prime is 133200423881243. The reversal of 133200423881217 is 712188324002331.

133200423881217 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 0 + 0 + 423 + 8 + 8 + 1 + 217 = 666.

It is not a de Polignac number, because 133200423881217 - 2⁶ = 133200423881153 is a prime.

It is a super-2 number, since 2×133200423881217² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133200423881257) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61322617 + ... + 63457577.

It is an arithmetic number, because the mean of its divisors is an integer number (2516889622104).

Almost surely, 2^{133200423881217} is an apocalyptic number.

It is an amenable number.

133200423881217 is a deficient number, since it is larger than the sum of its proper divisors (108420979840767).

133200423881217 is a wasteful number, since it uses less digits than its factorization.

133200423881217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135639 (or 2135636 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

Adding to 133200423881217 its reverse (712188324002331), we get a palindrome (845388747883548).

The spelling of 133200423881217 in words is "one hundred thirty-three trillion, two hundred billion, four hundred twenty-three million, eight hundred eighty-one thousand, two hundred seventeen".