320012201069543 has 2 divisors, whose sum is σ = 320012201069544. Its totient is φ = 320012201069542.

The previous prime is 320012201069527. The next prime is 320012201069579. The reversal of 320012201069543 is 345960102210023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320012201069543 - 2⁴ = 320012201069527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320012201069497 and 320012201069506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320012201069513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160006100534771 + 160006100534772.

It is an arithmetic number, because the mean of its divisors is an integer number (160006100534772).

Almost surely, 2^{320012201069543} is an apocalyptic number.

320012201069543 is a deficient number, since it is larger than the sum of its proper divisors (1).

320012201069543 is an equidigital number, since it uses as much as digits as its factorization.

320012201069543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 320012201069543 its reverse (345960102210023), we get a palindrome (665972303279566).

The spelling of 320012201069543 in words is "three hundred twenty trillion, twelve billion, two hundred one million, sixty-nine thousand, five hundred forty-three".