1203300212321 has 4 divisors (see below), whose sum is σ = 1203309191700. Its totient is φ = 1203291232944.

The previous prime is 1203300212291. The next prime is 1203300212341. The reversal of 1203300212321 is 1232120033021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 625821805921 + 577478406400 = 791089^2 + 759920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203300212321 - 2³⁴ = 1186120343137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203300212293 and 1203300212302.

It is not an unprimeable number, because it can be changed into a prime (1203300212341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285586 + ... + 4557723.

It is an arithmetic number, because the mean of its divisors is an integer number (300827297925).

Almost surely, 2^{1203300212321} is an apocalyptic number.

It is an amenable number.

1203300212321 is a deficient number, since it is larger than the sum of its proper divisors (8979379).

1203300212321 is an equidigital number, since it uses as much as digits as its factorization.

1203300212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979378.

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

Adding to 1203300212321 its reverse (1232120033021), we get a palindrome (2435420245342).

The spelling of 1203300212321 in words is "one trillion, two hundred three billion, three hundred million, two hundred twelve thousand, three hundred twenty-one".