12201022220222 has 12 divisors (see below), whose sum is σ = 20116561429608. Its totient is φ = 5545919190900.

The previous prime is 12201022220209. The next prime is 12201022220227. The reversal of 12201022220222 is 22202222010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201022220194 and 12201022220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201022220227) 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 5 ways as a sum of consecutive naturals, for example, 25208723354 + ... + 25208723837.

It is an arithmetic number, because the mean of its divisors is an integer number (1676380119134).

Almost surely, 2^{12201022220222} is an apocalyptic number.

12201022220222 is a deficient number, since it is larger than the sum of its proper divisors (7915539209386).

12201022220222 is a wasteful number, since it uses less digits than its factorization.

12201022220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50417447215 (or 50417447204 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12201022220222 its reverse (22202222010221), we get a palindrome (34403244230443).

The spelling of 12201022220222 in words is "twelve trillion, two hundred one billion, twenty-two million, two hundred twenty thousand, two hundred twenty-two".