1302322023209 has 2 divisors, whose sum is σ = 1302322023210. Its totient is φ = 1302322023208.

The previous prime is 1302322023193. The next prime is 1302322023269. The reversal of 1302322023209 is 9023202232031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 945707625625 + 356614397584 = 972475^2 + 597172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302322023209 - 2⁴ = 1302322023193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302322023269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651161011604 + 651161011605.

It is an arithmetic number, because the mean of its divisors is an integer number (651161011605).

Almost surely, 2^{1302322023209} is an apocalyptic number.

It is an amenable number.

1302322023209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302322023209 is an equidigital number, since it uses as much as digits as its factorization.

1302322023209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 1302322023209 in words is "one trillion, three hundred two billion, three hundred twenty-two million, twenty-three thousand, two hundred nine".