12323020222 has 4 divisors (see below), whose sum is σ = 18484530336. Its totient is φ = 6161510110.

The previous prime is 12323020187. The next prime is 12323020249. The reversal of 12323020222 is 22202032321.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12323020222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080755054 + ... + 3080755057.

It is an arithmetic number, because the mean of its divisors is an integer number (4621132584).

Almost surely, 2^12323020222 is an apocalyptic number.

12323020222 is a deficient number, since it is larger than the sum of its proper divisors (6161510114).

12323020222 is an equidigital number, since it uses as much as digits as its factorization.

12323020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161510113.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12323020222 its reverse (22202032321), we get a palindrome (34525052543).

The spelling of 12323020222 in words is "twelve billion, three hundred twenty-three million, twenty thousand, two hundred twenty-two".