1320120232001 has 8 divisors (see below), whose sum is σ = 1332544699200. Its totient is φ = 1307701460880.

The previous prime is 1320120231979. The next prime is 1320120232091. The reversal of 1320120232001 is 1002320210231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320120232001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1320120232091) 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 in 7 ways as a sum of consecutive naturals, for example, 957605 + ... + 1886066.

It is an arithmetic number, because the mean of its divisors is an integer number (166568087400).

Almost surely, 2^{1320120232001} is an apocalyptic number.

It is an amenable number.

1320120232001 is a deficient number, since it is larger than the sum of its proper divisors (12424467199).

1320120232001 is a wasteful number, since it uses less digits than its factorization.

1320120232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848039.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1320120232001 its reverse (1002320210231), we get a palindrome (2322440442232).

The spelling of 1320120232001 in words is "one trillion, three hundred twenty billion, one hundred twenty million, two hundred thirty-two thousand, one".