1300312230221 has 2 divisors, whose sum is σ = 1300312230222. Its totient is φ = 1300312230220.

The previous prime is 1300312230187. The next prime is 1300312230241. The reversal of 1300312230221 is 1220322130031.

It is an a-pointer prime, because the next prime (1300312230241) can be obtained adding 1300312230221 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878182648996 + 422129581225 = 937114^2 + 649715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300312230221 - 2³⁰ = 1299238488397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300312230193 and 1300312230202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300312230241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650156115110 + 650156115111.

It is an arithmetic number, because the mean of its divisors is an integer number (650156115111).

Almost surely, 2^{1300312230221} is an apocalyptic number.

It is an amenable number.

1300312230221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300312230221 is an equidigital number, since it uses as much as digits as its factorization.

1300312230221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1300312230221 its reverse (1220322130031), we get a palindrome (2520634360252).

The spelling of 1300312230221 in words is "one trillion, three hundred billion, three hundred twelve million, two hundred thirty thousand, two hundred twenty-one".