12352212 has 36 divisors (see below), whose sum is σ = 31370976. Its totient is φ = 4098000.

The previous prime is 12352189. The next prime is 12352213. The reversal of 12352212 is 21225321.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8353 + ... + 9719.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 2^12352212 is an apocalyptic number.

12352212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12352212 is an abundant number, since it is smaller than the sum of its proper divisors (19018764).

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

12352212 is a wasteful number, since it uses less digits than its factorization.

12352212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1623 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 12352212 is about 3514.5713821176. The cubic root of 12352212 is about 231.1611850805.

Adding to 12352212 its reverse (21225321), we get a palindrome (33577533).

The spelling of 12352212 in words is "twelve million, three hundred fifty-two thousand, two hundred twelve".