12322331011221 has 128 divisors (see below), whose sum is σ = 21569625907200. Its totient is φ = 6067193932800.

The previous prime is 12322331011183. The next prime is 12322331011259. The reversal of 12322331011221 is 12211013322321.

It is an interprime number because it is at equal distance from previous prime (12322331011183) and next prime (12322331011259).

It is a de Polignac number, because none of the positive numbers 2^k-12322331011221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12322331011191 and 12322331011200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322331011261) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 333260691 + ... + 333297663.

It is an arithmetic number, because the mean of its divisors is an integer number (168512702400).

Almost surely, 2^{12322331011221} is an apocalyptic number.

12322331011221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12322331011221 is a deficient number, since it is larger than the sum of its proper divisors (9247294895979).

12322331011221 is a wasteful number, since it uses less digits than its factorization.

12322331011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37587.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12322331011221 its reverse (12211013322321), we get a palindrome (24533344333542).

The spelling of 12322331011221 in words is "twelve trillion, three hundred twenty-two billion, three hundred thirty-one million, eleven thousand, two hundred twenty-one".