222221021210212 has 24 divisors (see below), whose sum is σ = 395632117625472. Its totient is φ = 109193337220800.

The previous prime is 222221021210197. The next prime is 222221021210297. The reversal of 222221021210212 is 212012120122222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257899433 + ... + 1258076080.

It is an arithmetic number, because the mean of its divisors is an integer number (16484671567728).

Almost surely, 2^{222221021210212} is an apocalyptic number.

It is an amenable number.

222221021210212 is a deficient number, since it is larger than the sum of its proper divisors (173411096415260).

222221021210212 is a wasteful number, since it uses less digits than its factorization.

222221021210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515975899 (or 2515975897 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222221021210212 its reverse (212012120122222), we get a palindrome (434233141332434).

The spelling of 222221021210212 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twenty-one million, two hundred ten thousand, two hundred twelve".