133201112 has 32 divisors (see below), whose sum is σ = 276307200. Its totient is φ = 59690400.

The previous prime is 133201099. The next prime is 133201151. The reversal of 133201112 is 211102331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4412 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (8634600).

Almost surely, 2^133201112 is an apocalyptic number.

It is an amenable number.

133201112 is an abundant number, since it is smaller than the sum of its proper divisors (143106088).

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

133201112 is a wasteful number, since it uses less digits than its factorization.

133201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21407 (or 21403 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 133201112 is about 11541.2786120083. The cubic root of 133201112 is about 510.7040283193.

Adding to 133201112 its reverse (211102331), we get a palindrome (344303443).

The spelling of 133201112 in words is "one hundred thirty-three million, two hundred one thousand, one hundred twelve".