12210200221222 has 4 divisors (see below), whose sum is σ = 18315300331836. Its totient is φ = 6105100110610.

The previous prime is 12210200221207. The next prime is 12210200221273. The reversal of 12210200221222 is 22212200201221.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12210200221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052550055304 + ... + 3052550055307.

It is an arithmetic number, because the mean of its divisors is an integer number (4578825082959).

Almost surely, 2^{12210200221222} is an apocalyptic number.

12210200221222 is a deficient number, since it is larger than the sum of its proper divisors (6105100110614).

12210200221222 is an equidigital number, since it uses as much as digits as its factorization.

12210200221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105100110613.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12210200221222 its reverse (22212200201221), we get a palindrome (34422400422443).

The spelling of 12210200221222 in words is "twelve trillion, two hundred ten billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-two".