12221224342022 has 16 divisors (see below), whose sum is σ = 18521704661712. Its totient is φ = 6047328775680.

The previous prime is 12221224342009. The next prime is 12221224342031. The reversal of 12221224342022 is 22024342212221.

12221224342022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2625197 + ... + 5597687.

It is an arithmetic number, because the mean of its divisors is an integer number (1157606541357).

Almost surely, 2^{12221224342022} is an apocalyptic number.

12221224342022 is a deficient number, since it is larger than the sum of its proper divisors (6300480319690).

12221224342022 is a wasteful number, since it uses less digits than its factorization.

12221224342022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993783.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 12221224342022 its reverse (22024342212221), we get a palindrome (34245566554243).

The spelling of 12221224342022 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty-four million, three hundred forty-two thousand, twenty-two".