133214212 has 12 divisors (see below), whose sum is σ = 237076560. Its totient is φ = 65478056.

The previous prime is 133214203. The next prime is 133214233. The reversal of 133214212 is 212412331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 133214212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281998 + ... + 282469.

It is an arithmetic number, because the mean of its divisors is an integer number (19756380).

Almost surely, 2^133214212 is an apocalyptic number.

It is an amenable number.

133214212 is a deficient number, since it is larger than the sum of its proper divisors (103862348).

133214212 is a wasteful number, since it uses less digits than its factorization.

133214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564530 (or 564528 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 133214212 is about 11541.8461261620. The cubic root of 133214212 is about 510.7207699299.

Adding to 133214212 its reverse (212412331), we get a palindrome (345626543).

The spelling of 133214212 in words is "one hundred thirty-three million, two hundred fourteen thousand, two hundred twelve".