12210122208 has 48 divisors (see below), whose sum is σ = 32061733200. Its totient is φ = 4068750336.

The previous prime is 12210122207. The next prime is 12210122231. The reversal of 12210122208 is 80222101221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210122201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312666 + ... + 349542.

It is an arithmetic number, because the mean of its divisors is an integer number (667952775).

Almost surely, 2^12210122208 is an apocalyptic number.

It is an amenable number.

12210122208 is an abundant number, since it is smaller than the sum of its proper divisors (19851610992).

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

12210122208 is a wasteful number, since it uses less digits than its factorization.

12210122208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40339 (or 40331 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12210122208 its reverse (80222101221), we get a palindrome (92432223429).

The spelling of 12210122208 in words is "twelve billion, two hundred ten million, one hundred twenty-two thousand, two hundred eight".