222002222110212 has 48 divisors (see below), whose sum is σ = 518168991860352. Its totient is φ = 73977341383680.

The previous prime is 222002222110189. The next prime is 222002222110217. The reversal of 222002222110212 is 212011222200222.

It is not an unprimeable number, because it can be changed into a prime (222002222110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259020278 + ... + 1259196594.

It is an arithmetic number, because the mean of its divisors is an integer number (10795187330424).

Almost surely, 2^{222002222110212} is an apocalyptic number.

It is an amenable number.

222002222110212 is an abundant number, since it is smaller than the sum of its proper divisors (296166769750140).

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

222002222110212 is a wasteful number, since it uses less digits than its factorization.

222002222110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208908 (or 208906 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222002222110212 its reverse (212011222200222), we get a palindrome (434013444310434).

The spelling of 222002222110212 in words is "two hundred twenty-two trillion, two billion, two hundred twenty-two million, one hundred ten thousand, two hundred twelve".