320123001202201 has 4 divisors (see below), whose sum is σ = 321072921087412. Its totient is φ = 319173081316992.

The previous prime is 320123001202189. The next prime is 320123001202261. The reversal of 320123001202201 is 102202100321023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220657804248025 + 99465196954176 = 14854555^2 + 9973224^2 .

It is a cyclic number.

It is not a de Polignac number, because 320123001202201 - 2¹⁹ = 320123000677913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320123001202261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474959942100 + ... + 474959942773.

It is an arithmetic number, because the mean of its divisors is an integer number (80268230271853).

Almost surely, 2^{320123001202201} is an apocalyptic number.

It is an amenable number.

320123001202201 is a deficient number, since it is larger than the sum of its proper divisors (949919885211).

320123001202201 is an equidigital number, since it uses as much as digits as its factorization.

320123001202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949919885210.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320123001202201 its reverse (102202100321023), we get a palindrome (422325101523224).

The spelling of 320123001202201 in words is "three hundred twenty trillion, one hundred twenty-three billion, one million, two hundred two thousand, two hundred one".