12321012322120 has 16 divisors (see below), whose sum is σ = 27722277724860. Its totient is φ = 4928404928832.

The previous prime is 12321012322103. The next prime is 12321012322127. The reversal of 12321012322120 is 2122321012321.

It can be written as a sum of positive squares in 2 ways, for example, as 12224715060996 + 96297261124 = 3496386^2 + 310318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12321012322091 and 12321012322100.

It is not an unprimeable number, because it can be changed into a prime (12321012322127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 154012653987 + ... + 154012654066.

Almost surely, 2^{12321012322120} is an apocalyptic number.

12321012322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321012322120 is an abundant number, since it is smaller than the sum of its proper divisors (15401265402740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12321012322120 is a wasteful number, since it uses less digits than its factorization.

12321012322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308025308064 (or 308025308060 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12321012322120 its reverse (2122321012321), we get a palindrome (14443333334441).

The spelling of 12321012322120 in words is "twelve trillion, three hundred twenty-one billion, twelve million, three hundred twenty-two thousand, one hundred twenty".