13212201079289 has 2 divisors, whose sum is σ = 13212201079290. Its totient is φ = 13212201079288.

The previous prime is 13212201079283. The next prime is 13212201079409. The reversal of 13212201079289 is 98297010221231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12144409523689 + 1067791555600 = 3484883^2 + 1033340^2 .

It is a cyclic number.

It is not a de Polignac number, because 13212201079289 - 2¹² = 13212201075193 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212201079283) 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, 6606100539644 + 6606100539645.

It is an arithmetic number, because the mean of its divisors is an integer number (6606100539645).

Almost surely, 2^{13212201079289} is an apocalyptic number.

It is an amenable number.

13212201079289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212201079289 is an equidigital number, since it uses as much as digits as its factorization.

13212201079289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 13212201079289 in words is "thirteen trillion, two hundred twelve billion, two hundred one million, seventy-nine thousand, two hundred eighty-nine".