133130212 has 6 divisors (see below), whose sum is σ = 232977878. Its totient is φ = 66565104.

The previous prime is 133130203. The next prime is 133130237. The reversal of 133130212 is 212031331.

It can be written as a sum of positive squares in only one way, i.e., 132158016 + 972196 = 11496^2 + 986^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16641273 + ... + 16641280.

Almost surely, 2^133130212 is an apocalyptic number.

It is an amenable number.

133130212 is a deficient number, since it is larger than the sum of its proper divisors (99847666).

133130212 is a wasteful number, since it uses less digits than its factorization.

133130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33282557 (or 33282555 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133130212 is about 11538.2066197481. The cubic root of 133130212 is about 510.6134000921.

Adding to 133130212 its reverse (212031331), we get a palindrome (345161543).

The spelling of 133130212 in words is "one hundred thirty-three million, one hundred thirty thousand, two hundred twelve".