12420442322 has 8 divisors (see below), whose sum is σ = 18631251072. Its totient is φ = 6210025300.

The previous prime is 12420442319. The next prime is 12420442327. The reversal of 12420442322 is 22324402421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12420442291 and 12420442300.

It is not an unprimeable number, because it can be changed into a prime (12420442327) 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, 1547 + ... + 157617.

It is an arithmetic number, because the mean of its divisors is an integer number (2328906384).

Almost surely, 2^12420442322 is an apocalyptic number.

12420442322 is a deficient number, since it is larger than the sum of its proper divisors (6210808750).

12420442322 is a wasteful number, since it uses less digits than its factorization.

12420442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195864.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12420442322 its reverse (22324402421), we get a palindrome (34744844743).

The spelling of 12420442322 in words is "twelve billion, four hundred twenty million, four hundred forty-two thousand, three hundred twenty-two".