222001210212212 has 12 divisors (see below), whose sum is σ = 388690436895936. Its totient is φ = 110946799670520.

The previous prime is 222001210212193. The next prime is 222001210212227. The reversal of 222001210212212 is 212212012100222.

It is a congruent number.

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, 13451349614 + ... + 13451366117.

It is an arithmetic number, because the mean of its divisors is an integer number (32390869741328).

Almost surely, 2^{222001210212212} is an apocalyptic number.

It is an amenable number.

222001210212212 is a deficient number, since it is larger than the sum of its proper divisors (166689226683724).

222001210212212 is a wasteful number, since it uses less digits than its factorization.

222001210212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26902717798 (or 26902717796 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222001210212212 its reverse (212212012100222), we get a palindrome (434213222312434).

The spelling of 222001210212212 in words is "two hundred twenty-two trillion, one billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".