3331212 has 12 divisors (see below), whose sum is σ = 7772856. Its totient is φ = 1110400.

The previous prime is 3331189. The next prime is 3331217. The reversal of 3331212 is 2121333.

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

It is a super-2 number, since 2×3331212² = 22193946777888, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3331191 and 3331200.

It is not an unprimeable number, because it can be changed into a prime (3331217) 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, 138789 + ... + 138812.

It is an arithmetic number, because the mean of its divisors is an integer number (647738).

Almost surely, 2^3331212 is an apocalyptic number.

It is an amenable number.

3331212 is an abundant number, since it is smaller than the sum of its proper divisors (4441644).

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

3331212 is a wasteful number, since it uses less digits than its factorization.

3331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277608 (or 277606 counting only the distinct ones).

The product of its digits is 108, while the sum is 15.

The square root of 3331212 is about 1825.1608148325. The cubic root of 3331212 is about 149.3484629831.

Adding to 3331212 its reverse (2121333), we get a palindrome (5452545).

The spelling of 3331212 in words is "three million, three hundred thirty-one thousand, two hundred twelve".