1200330002321 has 2 divisors, whose sum is σ = 1200330002322. Its totient is φ = 1200330002320.

The previous prime is 1200330002303. The next prime is 1200330002327. The reversal of 1200330002321 is 1232000330021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100587729921 + 99742272400 = 1049089^2 + 315820^2 .

It is an emirp because it is prime and its reverse (1232000330021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200330002321 - 2³⁰ = 1199256260497 is a prime.

It is a super-2 number, since 2×1200330002321² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200330002321.

It is not a weakly prime, because it can be changed into another prime (1200330002327) 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 as a sum of consecutive naturals, namely, 600165001160 + 600165001161.

It is an arithmetic number, because the mean of its divisors is an integer number (600165001161).

Almost surely, 2^{1200330002321} is an apocalyptic number.

It is an amenable number.

1200330002321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200330002321 is an equidigital number, since it uses as much as digits as its factorization.

1200330002321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1200330002321 its reverse (1232000330021), we get a palindrome (2432330332342).

The spelling of 1200330002321 in words is "one trillion, two hundred billion, three hundred thirty million, two thousand, three hundred twenty-one".