12203222122 has 64 divisors (see below), whose sum is σ = 23044331520. Its totient is φ = 4717949184.

The previous prime is 12203222099. The next prime is 12203222123. The reversal of 12203222122 is 22122230221.

It is a self number, because there is not a number n which added to its sum of digits gives 12203222122.

It is not an unprimeable number, because it can be changed into a prime (12203222123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2592423 + ... + 2597125.

It is an arithmetic number, because the mean of its divisors is an integer number (360067680).

Almost surely, 2^12203222122 is an apocalyptic number.

12203222122 is a deficient number, since it is larger than the sum of its proper divisors (10841109398).

12203222122 is a wasteful number, since it uses less digits than its factorization.

12203222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12203222122 its reverse (22122230221), we get a palindrome (34325452343).

The spelling of 12203222122 in words is "twelve billion, two hundred three million, two hundred twenty-two thousand, one hundred twenty-two".