2212312 has 16 divisors (see below), whose sum is σ = 4392360. Its totient is φ = 1041024.

The previous prime is 2212297. The next prime is 2212321. The reversal of 2212312 is 2132122.

It is a junction number, because it is equal to n+sod(n) for n = 2212292 and 2212301.

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, 7998 + ... + 8269.

2^2212312 is an apocalyptic number.

It is an amenable number.

2212312 is a deficient number, since it is larger than the sum of its proper divisors (2180048).

2212312 is a wasteful number, since it uses less digits than its factorization.

2212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290 (or 16286 counting only the distinct ones).

The product of its digits is 48, while the sum is 13.

The square root of 2212312 is about 1487.3842812132. The cubic root of 2212312 is about 130.3013129142.

Adding to 2212312 its reverse (2132122), we get a palindrome (4344434).

The spelling of 2212312 in words is "two million, two hundred twelve thousand, three hundred twelve".