12201221201222 has 8 divisors (see below), whose sum is σ = 19097563619376. Its totient is φ = 5835366661432.

The previous prime is 12201221201201. The next prime is 12201221201231. The reversal of 12201221201222 is 22210212210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12201221201222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12201221201194 and 12201221201203.

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, 132621969533 + ... + 132621969624.

It is an arithmetic number, because the mean of its divisors is an integer number (2387195452422).

Almost surely, 2^{12201221201222} is an apocalyptic number.

12201221201222 is a deficient number, since it is larger than the sum of its proper divisors (6896342418154).

12201221201222 is a wasteful number, since it uses less digits than its factorization.

12201221201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265243939182.

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

Adding to 12201221201222 its reverse (22210212210221), we get a palindrome (34411433411443).

The spelling of 12201221201222 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty-two".