12231148 has 12 divisors (see below), whose sum is σ = 21454552. Its totient is φ = 6101280.

The previous prime is 12231133. The next prime is 12231157. The reversal of 12231148 is 84113221.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 1518 + ... + 5173.

Almost surely, 2^12231148 is an apocalyptic number.

It is an amenable number.

12231148 is a deficient number, since it is larger than the sum of its proper divisors (9223404).

12231148 is a wasteful number, since it uses less digits than its factorization.

12231148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152 (or 7150 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 12231148 is about 3497.3058201993. The cubic root of 12231148 is about 230.4035009033.

Adding to 12231148 its reverse (84113221), we get a palindrome (96344369).

The spelling of 12231148 in words is "twelve million, two hundred thirty-one thousand, one hundred forty-eight".