12312422 has 8 divisors (see below), whose sum is σ = 18638400. Its totient is φ = 6099624.

The previous prime is 12312413. The next prime is 12312427. The reversal of 12312422 is 22421321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12312422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28022 + ... + 28457.

It is an arithmetic number, because the mean of its divisors is an integer number (2329800).

Almost surely, 2^12312422 is an apocalyptic number.

12312422 is a deficient number, since it is larger than the sum of its proper divisors (6325978).

12312422 is a wasteful number, since it uses less digits than its factorization.

12312422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56590.

The product of its digits is 192, while the sum is 17.

The square root of 12312422 is about 3508.9060973471. The cubic root of 12312422 is about 230.9127060328.

Adding to 12312422 its reverse (22421321), we get a palindrome (34733743).

The spelling of 12312422 in words is "twelve million, three hundred twelve thousand, four hundred twenty-two".