12322213540421 has 32 divisors (see below), whose sum is σ = 13748532019200. Its totient is φ = 10975160206080.

The previous prime is 12322213540397. The next prime is 12322213540447. The reversal of 12322213540421 is 12404531222321.

12322213540421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12322213540421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322213540121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1390293836 + ... + 1390302698.

It is an arithmetic number, because the mean of its divisors is an integer number (429641625600).

Almost surely, 2^{12322213540421} is an apocalyptic number.

It is an amenable number.

12322213540421 is a deficient number, since it is larger than the sum of its proper divisors (1426318478779).

12322213540421 is a wasteful number, since it uses less digits than its factorization.

12322213540421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 12322213540421 its reverse (12404531222321), we get a palindrome (24726744762742).

The spelling of 12322213540421 in words is "twelve trillion, three hundred twenty-two billion, two hundred thirteen million, five hundred forty thousand, four hundred twenty-one".