12231022220322 has 16 divisors (see below), whose sum is σ = 24982513471872. Its totient is φ = 3990262568240.

The previous prime is 12231022220297. The next prime is 12231022220353. The reversal of 12231022220322 is 22302222013221.

It is a junction number, because it is equal to n+sod(n) for n = 12231022220292 and 12231022220301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21686209329 + ... + 21686209892.

It is an arithmetic number, because the mean of its divisors is an integer number (1561407091992).

Almost surely, 2^{12231022220322} is an apocalyptic number.

12231022220322 is an abundant number, since it is smaller than the sum of its proper divisors (12751491251550).

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

12231022220322 is a wasteful number, since it uses less digits than its factorization.

12231022220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43372419273.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12231022220322 its reverse (22302222013221), we get a palindrome (34533244233543).

The spelling of 12231022220322 in words is "twelve trillion, two hundred thirty-one billion, twenty-two million, two hundred twenty thousand, three hundred twenty-two".