133230212 has 12 divisors (see below), whose sum is σ = 233566620. Its totient is φ = 66496896.

The previous prime is 133230199. The next prime is 133230217. The reversal of 133230212 is 212032331.

It can be written as a sum of positive squares in 2 ways, for example, as 33709636 + 99520576 = 5806^2 + 9976^2 .

It is not an unprimeable number, because it can be changed into a prime (133230217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26993 + ... + 31544.

It is an arithmetic number, because the mean of its divisors is an integer number (19463885).

Almost surely, 2^133230212 is an apocalyptic number.

It is an amenable number.

133230212 is a deficient number, since it is larger than the sum of its proper divisors (100336408).

133230212 is a wasteful number, since it uses less digits than its factorization.

133230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59110 (or 59108 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133230212 is about 11542.5392353676. The cubic root of 133230212 is about 510.7412162098.

Adding to 133230212 its reverse (212032331), we get a palindrome (345262543).

The spelling of 133230212 in words is "one hundred thirty-three million, two hundred thirty thousand, two hundred twelve".