213032212 has 24 divisors (see below), whose sum is σ = 375954656. Its totient is φ = 105621408.

The previous prime is 213032189. The next prime is 213032221. The reversal of 213032212 is 212230312.

It is a super-2 number, since 2×213032212² = 90765446699225888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347218 + ... + 347830.

Almost surely, 2^213032212 is an apocalyptic number.

It is an amenable number.

213032212 is a deficient number, since it is larger than the sum of its proper divisors (162922444).

213032212 is a wasteful number, since it uses less digits than its factorization.

213032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213032212 is about 14595.6230425426. The cubic root of 213032212 is about 597.2393657934.

Adding to 213032212 its reverse (212230312), we get a palindrome (425262524).

The spelling of 213032212 in words is "two hundred thirteen million, thirty-two thousand, two hundred twelve".