12132112 has 20 divisors (see below), whose sum is σ = 23569920. Its totient is φ = 6049568.

The previous prime is 12132103. The next prime is 12132151. The reversal of 12132112 is 21123121.

It is a junction number, because it is equal to n+sod(n) for n = 12132092 and 12132101.

It is a congruent number.

It is an unprimeable number.

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, 6873 + ... + 8455.

It is an arithmetic number, because the mean of its divisors is an integer number (1178496).

Almost surely, 2^12132112 is an apocalyptic number.

It is an amenable number.

12132112 is a deficient number, since it is larger than the sum of its proper divisors (11437808).

12132112 is a wasteful number, since it uses less digits than its factorization.

12132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2064 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 12132112 is about 3483.1181432734. The cubic root of 12132112 is about 229.7799533743.

Adding to 12132112 its reverse (21123121), we get a palindrome (33255233).

The spelling of 12132112 in words is "twelve million, one hundred thirty-two thousand, one hundred twelve".