12201222022 has 32 divisors (see below), whose sum is σ = 20871592704. Its totient is φ = 5295232800.

The previous prime is 12201221983. The next prime is 12201222037. The reversal of 12201222022 is 22022210221.

It is a junction number, because it is equal to n+sod(n) for n = 12201221987 and 12201222005.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 260197 + ... + 303487.

It is an arithmetic number, because the mean of its divisors is an integer number (652237272).

Almost surely, 2^12201222022 is an apocalyptic number.

12201222022 is a deficient number, since it is larger than the sum of its proper divisors (8670370682).

12201222022 is a wasteful number, since it uses less digits than its factorization.

12201222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43884.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12201222022 its reverse (22022210221), we get a palindrome (34223432243).

The spelling of 12201222022 in words is "twelve billion, two hundred one million, two hundred twenty-two thousand, twenty-two".