12321122120012 has 12 divisors (see below), whose sum is σ = 21577116189216. Its totient is φ = 6156231780240.

The previous prime is 12321122119979. The next prime is 12321122120023. The reversal of 12321122120012 is 21002122112321.

12321122120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082313539 + ... + 1082324922.

It is an arithmetic number, because the mean of its divisors is an integer number (1798093015768).

Almost surely, 2^{12321122120012} is an apocalyptic number.

It is an amenable number.

12321122120012 is a deficient number, since it is larger than the sum of its proper divisors (9255994069204).

12321122120012 is a wasteful number, since it uses less digits than its factorization.

12321122120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164639888 (or 2164639886 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12321122120012 its reverse (21002122112321), we get a palindrome (33323244232333).

The spelling of 12321122120012 in words is "twelve trillion, three hundred twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, twelve".