3211212 has 12 divisors (see below), whose sum is σ = 7492856. Its totient is φ = 1070400.

The previous prime is 3211207. The next prime is 3211213. The reversal of 3211212 is 2121123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 267601 = 3211212 / (3 + 2 + 1 + 1 + 2 + 1 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3211213) 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, 133789 + ... + 133812.

Almost surely, 2^3211212 is an apocalyptic number.

It is an amenable number.

3211212 is an abundant number, since it is smaller than the sum of its proper divisors (4281644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3211212 is a wasteful number, since it uses less digits than its factorization.

3211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267608 (or 267606 counting only the distinct ones).

The product of its digits is 24, while the sum is 12.

The square root of 3211212 is about 1791.9854910127. The cubic root of 3211212 is about 147.5331650024.

Adding to 3211212 its reverse (2121123), we get a palindrome (5332335).

It can be divided in two parts, 321121 and 2, that added together give a palindrome (321123).

The spelling of 3211212 in words is "three million, two hundred eleven thousand, two hundred twelve".