1322320102009 has 2 divisors, whose sum is σ = 1322320102010. Its totient is φ = 1322320102008.

The previous prime is 1322320101899. The next prime is 1322320102039. The reversal of 1322320102009 is 9002010232231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118088415609 + 204231686400 = 1057397^2 + 451920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322320102009 - 2⁹ = 1322320101497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322320102039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661160051004 + 661160051005.

It is an arithmetic number, because the mean of its divisors is an integer number (661160051005).

Almost surely, 2^{1322320102009} is an apocalyptic number.

It is an amenable number.

1322320102009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322320102009 is an equidigital number, since it uses as much as digits as its factorization.

1322320102009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 1322320102009 in words is "one trillion, three hundred twenty-two billion, three hundred twenty million, one hundred two thousand, nine".