12256212 has 48 divisors (see below), whose sum is σ = 30340800. Its totient is φ = 3843840.

The previous prime is 12256207. The next prime is 12256271. The reversal of 12256212 is 21265221.

It is a happy number.

12256212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13839 + ... + 14697.

It is an arithmetic number, because the mean of its divisors is an integer number (632100).

Almost surely, 2^12256212 is an apocalyptic number.

12256212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12256212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15170400).

12256212 is an abundant number, since it is smaller than the sum of its proper divisors (18084588).

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

12256212 is a wasteful number, since it uses less digits than its factorization.

12256212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 934 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 12256212 is about 3500.8873160957. The cubic root of 12256212 is about 230.5607740457.

Subtracting 12256212 from its reverse (21265221), we obtain a palindrome (9009009).

The spelling of 12256212 in words is "twelve million, two hundred fifty-six thousand, two hundred twelve".