12300202309 has 2 divisors, whose sum is σ = 12300202310. Its totient is φ = 12300202308.

The previous prime is 12300202307. The next prime is 12300202391. The reversal of 12300202309 is 90320200321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12089662209 + 210540100 = 109953^2 + 14510^2 .

It is a cyclic number.

It is not a de Polignac number, because 12300202309 - 2¹ = 12300202307 is a prime.

Together with 12300202307, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12300202309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12300202301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150101154 + 6150101155.

It is an arithmetic number, because the mean of its divisors is an integer number (6150101155).

Almost surely, 2^12300202309 is an apocalyptic number.

It is an amenable number.

12300202309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12300202309 is an equidigital number, since it uses as much as digits as its factorization.

12300202309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 12300202309 in words is "twelve billion, three hundred million, two hundred two thousand, three hundred nine".