12120313232122 has 16 divisors (see below), whose sum is σ = 18272428556040. Its totient is φ = 6029540142912.

The previous prime is 12120313232087. The next prime is 12120313232129. The reversal of 12120313232122 is 22123231302121.

It can be written as a sum of positive squares in 4 ways, for example, as 11560197200841 + 560116031281 = 3400029^2 + 748409^2 .

It is not an unprimeable number, because it can be changed into a prime (12120313232129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8441053 + ... + 9772000.

Almost surely, 2^{12120313232122} is an apocalyptic number.

12120313232122 is a deficient number, since it is larger than the sum of its proper divisors (6152115323918).

12120313232122 is a wasteful number, since it uses less digits than its factorization.

12120313232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18214737.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12120313232122 its reverse (22123231302121), we get a palindrome (34243544534243).

The spelling of 12120313232122 in words is "twelve trillion, one hundred twenty billion, three hundred thirteen million, two hundred thirty-two thousand, one hundred twenty-two".