1330303212321 has 4 divisors (see below), whose sum is σ = 1773737616432. Its totient is φ = 886868808212.

The previous prime is 1330303212281. The next prime is 1330303212347. The reversal of 1330303212321 is 1232123030331.

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 1330303212321 - 2¹³ = 1330303204129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1330303212291 and 1330303212300.

It is not an unprimeable number, because it can be changed into a prime (1330303219321) 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 3 ways as a sum of consecutive naturals, for example, 221717202051 + ... + 221717202056.

It is an arithmetic number, because the mean of its divisors is an integer number (443434404108).

Almost surely, 2^{1330303212321} is an apocalyptic number.

It is an amenable number.

1330303212321 is a deficient number, since it is larger than the sum of its proper divisors (443434404111).

1330303212321 is an equidigital number, since it uses as much as digits as its factorization.

1330303212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443434404110.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1330303212321 its reverse (1232123030331), we get a palindrome (2562426242652).

The spelling of 1330303212321 in words is "one trillion, three hundred thirty billion, three hundred three million, two hundred twelve thousand, three hundred twenty-one".