133232212 has 12 divisors (see below), whose sum is σ = 233392320. Its totient is φ = 66548696.

The previous prime is 133232173. The next prime is 133232233. The reversal of 133232212 is 212232331.

It is a self number, because there is not a number n which added to its sum of digits gives 133232212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12268 + ... + 20419.

It is an arithmetic number, because the mean of its divisors is an integer number (19449360).

Almost surely, 2^133232212 is an apocalyptic number.

It is an amenable number.

133232212 is a deficient number, since it is larger than the sum of its proper divisors (100160108).

133232212 is a wasteful number, since it uses less digits than its factorization.

133232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33710 (or 33708 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 133232212 is about 11542.6258710919. The cubic root of 133232212 is about 510.7437718797.

Adding to 133232212 its reverse (212232331), we get a palindrome (345464543).

The spelling of 133232212 in words is "one hundred thirty-three million, two hundred thirty-two thousand, two hundred twelve".