12022312 has 16 divisors (see below), whose sum is σ = 22924800. Its totient is φ = 5909040.

The previous prime is 12022303. The next prime is 12022313. The reversal of 12022312 is 21322021.

12022312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12022292 and 12022301.

It is not an unprimeable number, because it can be changed into a prime (12022313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12264 + ... + 13207.

It is an arithmetic number, because the mean of its divisors is an integer number (1432800).

Almost surely, 2^12022312 is an apocalyptic number.

It is an amenable number.

12022312 is a deficient number, since it is larger than the sum of its proper divisors (10902488).

12022312 is a wasteful number, since it uses less digits than its factorization.

12022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25536 (or 25532 counting only the distinct ones).

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

The square root of 12022312 is about 3467.3205793523. The cubic root of 12022312 is about 229.0846543487.

Adding to 12022312 its reverse (21322021), we get a palindrome (33344333).

The spelling of 12022312 in words is "twelve million, twenty-two thousand, three hundred twelve".