12223231022321 has 6 divisors (see below), whose sum is σ = 13435452280866. Its totient is φ = 11112028202000.

The previous prime is 12223231022309. The next prime is 12223231022399. The reversal of 12223231022321 is 12322013232221.

It can be written as a sum of positive squares in only one way, i.e., 9740416289296 + 2482814733025 = 3120964^2 + 1575695^2 .

It is not a de Polignac number, because 12223231022321 - 2³⁴ = 12206051153137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12223231022021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50509218980 + ... + 50509219221.

It is an arithmetic number, because the mean of its divisors is an integer number (2239242046811).

Almost surely, 2^{12223231022321} is an apocalyptic number.

12223231022321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12223231022321 is a deficient number, since it is larger than the sum of its proper divisors (1212221258545).

12223231022321 is a wasteful number, since it uses less digits than its factorization.

12223231022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101018438223 (or 101018438212 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12223231022321 its reverse (12322013232221), we get a palindrome (24545244254542).

The spelling of 12223231022321 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, twenty-two thousand, three hundred twenty-one".