12323220222 has 64 divisors (see below), whose sum is σ = 27020736000. Its totient is φ = 3732946560.

The previous prime is 12323220193. The next prime is 12323220263. The reversal of 12323220222 is 22202232321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278904 + ... + 320052.

It is an arithmetic number, because the mean of its divisors is an integer number (422199000).

Almost surely, 2^12323220222 is an apocalyptic number.

12323220222 is an abundant number, since it is smaller than the sum of its proper divisors (14697515778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323220222 is a wasteful number, since it uses less digits than its factorization.

12323220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41281.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12323220222 its reverse (22202232321), we get a palindrome (34525452543).

The spelling of 12323220222 in words is "twelve billion, three hundred twenty-three million, two hundred twenty thousand, two hundred twenty-two".