13212212430409 has 2 divisors, whose sum is σ = 13212212430410. Its totient is φ = 13212212430408.

The previous prime is 13212212430383. The next prime is 13212212430413. The reversal of 13212212430409 is 90403421221231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11077481041225 + 2134731389184 = 3328285^2 + 1461072^2 .

It is a cyclic number.

It is not a de Polignac number, because 13212212430409 - 2¹⁵ = 13212212397641 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212212430479) 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, 6606106215204 + 6606106215205.

It is an arithmetic number, because the mean of its divisors is an integer number (6606106215205).

Almost surely, 2^{13212212430409} is an apocalyptic number.

It is an amenable number.

13212212430409 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212212430409 is an equidigital number, since it uses as much as digits as its factorization.

13212212430409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 13212212430409 in words is "thirteen trillion, two hundred twelve billion, two hundred twelve million, four hundred thirty thousand, four hundred nine".