1320323210201 has 4 divisors (see below), whose sum is σ = 1320354422400. Its totient is φ = 1320291998004.

The previous prime is 1320323210197. The next prime is 1320323210237. The reversal of 1320323210201 is 1020123230231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1320323210201 - 2² = 1320323210197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320323213201) 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 in 3 ways as a sum of consecutive naturals, for example, 15542561 + ... + 15627278.

It is an arithmetic number, because the mean of its divisors is an integer number (330088605600).

Almost surely, 2^{1320323210201} is an apocalyptic number.

It is an amenable number.

1320323210201 is a deficient number, since it is larger than the sum of its proper divisors (31212199).

1320323210201 is an equidigital number, since it uses as much as digits as its factorization.

1320323210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31212198.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1320323210201 its reverse (1020123230231), we get a palindrome (2340446440432).

The spelling of 1320323210201 in words is "one trillion, three hundred twenty billion, three hundred twenty-three million, two hundred ten thousand, two hundred one".