1232220301321 has 2 divisors, whose sum is σ = 1232220301322. Its totient is φ = 1232220301320.

The previous prime is 1232220301297. The next prime is 1232220301339. The reversal of 1232220301321 is 1231030222321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636861457296 + 595358844025 = 798036^2 + 771595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232220301321 - 2¹¹ = 1232220299273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232220301292 and 1232220301301.

It is not a weakly prime, because it can be changed into another prime (1232220301021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616110150660 + 616110150661.

It is an arithmetic number, because the mean of its divisors is an integer number (616110150661).

Almost surely, 2^{1232220301321} is an apocalyptic number.

It is an amenable number.

1232220301321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232220301321 is an equidigital number, since it uses as much as digits as its factorization.

1232220301321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1232220301321 its reverse (1231030222321), we get a palindrome (2463250523642).

The spelling of 1232220301321 in words is "one trillion, two hundred thirty-two billion, two hundred twenty million, three hundred one thousand, three hundred twenty-one".