3213212 has 12 divisors (see below), whose sum is σ = 5804736. Its totient is φ = 1554720.

The previous prime is 3213163. The next prime is 3213233. The reversal of 3213212 is 2123123.

It is a happy number.

It is an Ulam number.

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, 12833 + ... + 13080.

It is an arithmetic number, because the mean of its divisors is an integer number (483728).

Almost surely, 2^3213212 is an apocalyptic number.

It is an amenable number.

3213212 is a deficient number, since it is larger than the sum of its proper divisors (2591524).

3213212 is a wasteful number, since it uses less digits than its factorization.

3213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25948 (or 25946 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 3213212 is about 1792.5434443829. The cubic root of 3213212 is about 147.5637874064.

Adding to 3213212 its reverse (2123123), we get a palindrome (5336335).

The spelling of 3213212 in words is "three million, two hundred thirteen thousand, two hundred twelve".