13230222032921 has 2 divisors, whose sum is σ = 13230222032922. Its totient is φ = 13230222032920.

The previous prime is 13230222032917. The next prime is 13230222032941. The reversal of 13230222032921 is 12923022203231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7987660800025 + 5242561232896 = 2826245^2 + 2289664^2 .

It is a cyclic number.

It is not a de Polignac number, because 13230222032921 - 2² = 13230222032917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13230222032941) 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, 6615111016460 + 6615111016461.

It is an arithmetic number, because the mean of its divisors is an integer number (6615111016461).

Almost surely, 2^{13230222032921} is an apocalyptic number.

It is an amenable number.

13230222032921 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230222032921 is an equidigital number, since it uses as much as digits as its factorization.

13230222032921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 13230222032921 in words is "thirteen trillion, two hundred thirty billion, two hundred twenty-two million, thirty-two thousand, nine hundred twenty-one".