1203332321321 has 16 divisors (see below), whose sum is σ = 1301644103424. Its totient is φ = 1105851982464.

The previous prime is 1203332321297. The next prime is 1203332321329. The reversal of 1203332321321 is 1231232333021.

It is a cyclic number.

It is not a de Polignac number, because 1203332321321 - 2³⁰ = 1202258579497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203332321329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2585741 + ... + 3015413.

It is an arithmetic number, because the mean of its divisors is an integer number (81352756464).

Almost surely, 2^{1203332321321} is an apocalyptic number.

It is an amenable number.

1203332321321 is a deficient number, since it is larger than the sum of its proper divisors (98311782103).

1203332321321 is a wasteful number, since it uses less digits than its factorization.

1203332321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430640.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1203332321321 its reverse (1231232333021), we get a palindrome (2434564654342).

The spelling of 1203332321321 in words is "one trillion, two hundred three billion, three hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-one".