12123152 has 20 divisors (see below), whose sum is σ = 23617536. Its totient is φ = 6028320.

The previous prime is 12123151. The next prime is 12123173. The reversal of 12123152 is 25132121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12123152.

It is not an unprimeable number, because it can be changed into a prime (12123151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073 + ... + 5039.

Almost surely, 2^12123152 is an apocalyptic number.

It is an amenable number.

12123152 is a deficient number, since it is larger than the sum of its proper divisors (11494384).

12123152 is a wasteful number, since it uses less digits than its factorization.

12123152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166 (or 4160 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 12123152 is about 3481.8317018489. The cubic root of 12123152 is about 229.7233725297.

Adding to 12123152 its reverse (25132121), we get a palindrome (37255273).

The spelling of 12123152 in words is "twelve million, one hundred twenty-three thousand, one hundred fifty-two".