9212 has 18 divisors (see below), whose sum is σ = 19152. Its totient is φ = 3864.

The previous prime is 9209. The next prime is 9221. The reversal of 9212 is 2129.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173 + ... + 219.

It is an arithmetic number, because the mean of its divisors is an integer number (1064).

2⁹²¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9576).

9212 is an abundant number, since it is smaller than the sum of its proper divisors (9940).

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

9212 is a wasteful number, since it uses less digits than its factorization.

9212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 56 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 9212 is about 95.9791644056. The cubic root of 9212 is about 20.9628974492.

The spelling of 9212 in words is "nine thousand, two hundred twelve".