12120210221122 has 16 divisors (see below), whose sum is σ = 19224503391744. Its totient is φ = 5721578388000.

The previous prime is 12120210221117. The next prime is 12120210221143. The reversal of 12120210221122 is 22112201202121.

It is a self number, because there is not a number n which added to its sum of digits gives 12120210221122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383988454 + ... + 2383993537.

It is an arithmetic number, because the mean of its divisors is an integer number (1201531461984).

Almost surely, 2^{12120210221122} is an apocalyptic number.

12120210221122 is a deficient number, since it is larger than the sum of its proper divisors (7104293170622).

12120210221122 is a wasteful number, since it uses less digits than its factorization.

12120210221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767982065.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12120210221122 its reverse (22112201202121), we get a palindrome (34232411423243).

The spelling of 12120210221122 in words is "twelve trillion, one hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".