12220321301 has 2 divisors, whose sum is σ = 12220321302. Its totient is φ = 12220321300.

The previous prime is 12220321279. The next prime is 12220321307. The reversal of 12220321301 is 10312302221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11166994276 + 1053327025 = 105674^2 + 32455^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220321301 - 2¹⁸ = 12220059157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220321301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220321307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110160650 + 6110160651.

It is an arithmetic number, because the mean of its divisors is an integer number (6110160651).

Almost surely, 2^12220321301 is an apocalyptic number.

It is an amenable number.

12220321301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220321301 is an equidigital number, since it uses as much as digits as its factorization.

12220321301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12220321301 its reverse (10312302221), we get a palindrome (22532623522).

The spelling of 12220321301 in words is "twelve billion, two hundred twenty million, three hundred twenty-one thousand, three hundred one".