12242152 has 32 divisors (see below), whose sum is σ = 25197480. Its totient is φ = 5541120.

The previous prime is 12242123. The next prime is 12242161. The reversal of 12242152 is 25124221.

It can be written as a sum of positive squares in 4 ways, for example, as 10536516 + 1705636 = 3246^2 + 1306^2 .

It is a super-2 number, since 2×12242152² = 299740571182208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4402 + ... + 6622.

Almost surely, 2^12242152 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 12242152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12598740).

12242152 is an abundant number, since it is smaller than the sum of its proper divisors (12955328).

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

12242152 is a wasteful number, since it uses less digits than its factorization.

12242152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2289 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 12242152 is about 3498.8786775194. The cubic root of 12242152 is about 230.4725759177.

Adding to 12242152 its reverse (25124221), we get a palindrome (37366373).

The spelling of 12242152 in words is "twelve million, two hundred forty-two thousand, one hundred fifty-two".