12322012 has 6 divisors (see below), whose sum is σ = 21563528. Its totient is φ = 6161004.

The previous prime is 12322001. The next prime is 12322019. The reversal of 12322012 is 21022321.

It is a junction number, because it is equal to n+sod(n) for n = 12321983 and 12322001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322019) 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 as a sum of consecutive naturals, namely, 1540248 + ... + 1540255.

Almost surely, 2^12322012 is an apocalyptic number.

It is an amenable number.

12322012 is a deficient number, since it is larger than the sum of its proper divisors (9241516).

12322012 is a wasteful number, since it uses less digits than its factorization.

12322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080507 (or 3080505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12322012 is about 3510.2723541059. The cubic root of 12322012 is about 230.9726422003.

Adding to 12322012 its reverse (21022321), we get a palindrome (33344333).

The spelling of 12322012 in words is "twelve million, three hundred twenty-two thousand, twelve".