12120332 has 12 divisors (see below), whose sum is σ = 24240720. Its totient is φ = 5194416.

The previous prime is 12120307. The next prime is 12120343. The reversal of 12120332 is 23302121.

It is a happy number.

12120332 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 216407 + ... + 216462.

It is an arithmetic number, because the mean of its divisors is an integer number (2020060).

Almost surely, 2^12120332 is an apocalyptic number.

It is an amenable number.

12120332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12120332 is a wasteful number, since it uses less digits than its factorization.

12120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432880 (or 432878 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12120332 is about 3481.4267190334. The cubic root of 12120332 is about 229.7055589515.

Adding to 12120332 its reverse (23302121), we get a palindrome (35422453).

The spelling of 12120332 in words is "twelve million, one hundred twenty thousand, three hundred thirty-two".