12323212 has 48 divisors (see below), whose sum is σ = 24675840. Its totient is φ = 5336000.

The previous prime is 12323197. The next prime is 12323219. The reversal of 12323212 is 21232321.

12323212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is not an unprimeable number, because it can be changed into a prime (12323219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121962 + ... + 122062.

It is an arithmetic number, because the mean of its divisors is an integer number (514080).

Almost surely, 2^12323212 is an apocalyptic number.

It is an amenable number.

12323212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12323212 is a wasteful number, since it uses less digits than its factorization.

12323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 220 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 12323212 is about 3510.4432768527. The cubic root of 12323212 is about 230.9801398441.

Adding to 12323212 its reverse (21232321), we get a palindrome (33555533).

It can be divided in two parts, 1232321 and 2, that multiplied together give a palindrome (2464642).

The spelling of 12323212 in words is "twelve million, three hundred twenty-three thousand, two hundred twelve".