321232012 has 24 divisors (see below), whose sum is σ = 599244800. Its totient is φ = 150233616.

The previous prime is 321232003. The next prime is 321232019. The reversal of 321232012 is 210232123.

It is not an unprimeable number, because it can be changed into a prime (321232019) by changing a digit.

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, 20748 + ... + 32755.

Almost surely, 2^321232012 is an apocalyptic number.

It is an amenable number.

321232012 is a deficient number, since it is larger than the sum of its proper divisors (278012788).

321232012 is a wasteful number, since it uses less digits than its factorization.

321232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53605 (or 53603 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 321232012 is about 17922.9465211499. The cubic root of 321232012 is about 684.8670507604.

Adding to 321232012 its reverse (210232123), we get a palindrome (531464135).

The spelling of 321232012 in words is "three hundred twenty-one million, two hundred thirty-two thousand, twelve".