320712642601 has 8 divisors (see below), whose sum is σ = 345524372424. Its totient is φ = 295921130880.

The previous prime is 320712642563. The next prime is 320712642623. The reversal of 320712642601 is 106246217023.

It can be written as a sum of positive squares in 4 ways, for example, as 39849741376 + 280862901225 = 199624^2 + 529965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320712642601 - 2¹⁹ = 320712118313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320712642101) 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 in 7 ways as a sum of consecutive naturals, for example, 5021566 + ... + 5085031.

It is an arithmetic number, because the mean of its divisors is an integer number (43190546553).

Almost surely, 2^320712642601 is an apocalyptic number.

It is an amenable number.

320712642601 is a deficient number, since it is larger than the sum of its proper divisors (24811729823).

320712642601 is a wasteful number, since it uses less digits than its factorization.

320712642601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109051.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 320712642601 its reverse (106246217023), we get a palindrome (426958859624).

The spelling of 320712642601 in words is "three hundred twenty billion, seven hundred twelve million, six hundred forty-two thousand, six hundred one".