222331210212 has 12 divisors (see below), whose sum is σ = 518772823856. Its totient is φ = 74110403400.

The previous prime is 222331210193. The next prime is 222331210229. The reversal of 222331210212 is 212012133222.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9263800414 + ... + 9263800437.

Almost surely, 2^222331210212 is an apocalyptic number.

It is an amenable number.

222331210212 is an abundant number, since it is smaller than the sum of its proper divisors (296441613644).

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

222331210212 is a wasteful number, since it uses less digits than its factorization.

222331210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18527600858 (or 18527600856 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222331210212 its reverse (212012133222), we get a palindrome (434343343434).

The spelling of 222331210212 in words is "two hundred twenty-two billion, three hundred thirty-one million, two hundred ten thousand, two hundred twelve".