13212143220329 has 2 divisors, whose sum is σ = 13212143220330. Its totient is φ = 13212143220328.

The previous prime is 13212143220323. The next prime is 13212143220359. The reversal of 13212143220329 is 92302234121231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13132122125929 + 80021094400 = 3623827^2 + 282880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13212143220329 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212143220323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606071610164 + 6606071610165.

It is an arithmetic number, because the mean of its divisors is an integer number (6606071610165).

Almost surely, 2^{13212143220329} is an apocalyptic number.

It is an amenable number.

13212143220329 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212143220329 is an equidigital number, since it uses as much as digits as its factorization.

13212143220329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 13212143220329 in words is "thirteen trillion, two hundred twelve billion, one hundred forty-three million, two hundred twenty thousand, three hundred twenty-nine".