12203212 has 48 divisors (see below), whose sum is σ = 26707968. Its totient is φ = 4757760.

The previous prime is 12203207. The next prime is 12203231. The reversal of 12203212 is 21230221.

12203212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12203192 and 12203201.

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, 14343 + ... + 15169.

It is an arithmetic number, because the mean of its divisors is an integer number (556416).

Almost surely, 2^12203212 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 12203212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13353984).

12203212 is an abundant number, since it is smaller than the sum of its proper divisors (14504756).

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

12203212 is a wasteful number, since it uses less digits than its factorization.

12203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 884 counting only the distinct ones).

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

The square root of 12203212 is about 3493.3096055174. The cubic root of 12203212 is about 230.2279529552.

Adding to 12203212 its reverse (21230221), we get a palindrome (33433433).

The spelling of 12203212 in words is "twelve million, two hundred three thousand, two hundred twelve".