133212332 has 48 divisors (see below), whose sum is σ = 264929280. Its totient is φ = 58060800.

The previous prime is 133212319. The next prime is 133212397. The reversal of 133212332 is 233212331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172844 + ... + 173612.

It is an arithmetic number, because the mean of its divisors is an integer number (5519360).

Almost surely, 2^133212332 is an apocalyptic number.

It is an amenable number.

133212332 is a deficient number, since it is larger than the sum of its proper divisors (131716948).

133212332 is a wasteful number, since it uses less digits than its factorization.

133212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 133212332 is about 11541.7646830976. The cubic root of 133212332 is about 510.7183673846.

Adding to 133212332 its reverse (233212331), we get a palindrome (366424663).

Subtracting 133212332 from its reverse (233212331), we obtain a palindrome (99999999).

The spelling of 133212332 in words is "one hundred thirty-three million, two hundred twelve thousand, three hundred thirty-two".