12343212 has 96 divisors (see below), whose sum is σ = 37900800. Its totient is φ = 3398976.

The previous prime is 12343189. The next prime is 12343231. The reversal of 12343212 is 21234321.

12343212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21643 + ... + 22205.

It is an arithmetic number, because the mean of its divisors is an integer number (394800).

Almost surely, 2^12343212 is an apocalyptic number.

12343212 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 12343212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18950400).

12343212 is an abundant number, since it is smaller than the sum of its proper divisors (25557588).

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

12343212 is a wasteful number, since it uses less digits than its factorization.

12343212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 604 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12343212 is about 3513.2907650805. The cubic root of 12343212 is about 231.1050289806.

Adding to 12343212 its reverse (21234321), we get a palindrome (33577533).

It can be divided in two parts, 1234321 and 2, that multiplied together give a palindrome (2468642).

The spelling of 12343212 in words is "twelve million, three hundred forty-three thousand, two hundred twelve".