12120232220122 has 16 divisors (see below), whose sum is σ = 19589357341512. Its totient is φ = 5590947424320.

The previous prime is 12120232220101. The next prime is 12120232220171. The reversal of 12120232220122 is 22102223202121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6161014015321 + 5959218204801 = 2482139^2 + 2441151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12120232220093 and 12120232220102.

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 7 ways as a sum of consecutive naturals, for example, 125196853 + ... + 125293624.

Almost surely, 2^{12120232220122} is an apocalyptic number.

12120232220122 is a deficient number, since it is larger than the sum of its proper divisors (7469125121390).

12120232220122 is a wasteful number, since it uses less digits than its factorization.

12120232220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250492353.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12120232220122 its reverse (22102223202121), we get a palindrome (34222455422243).

The spelling of 12120232220122 in words is "twelve trillion, one hundred twenty billion, two hundred thirty-two million, two hundred twenty thousand, one hundred twenty-two".