12303303013221 has 16 divisors (see below), whose sum is σ = 17943691275840. Its totient is φ = 7436556529920.

The previous prime is 12303303013201. The next prime is 12303303013279. The reversal of 12303303013221 is 12231030330321.

It is not a de Polignac number, because 12303303013221 - 2¹³ = 12303303005029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12303303013191 and 12303303013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303303013201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499756276 + ... + 499780893.

It is an arithmetic number, because the mean of its divisors is an integer number (1121480704740).

Almost surely, 2^{12303303013221} is an apocalyptic number.

12303303013221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12303303013221 is a deficient number, since it is larger than the sum of its proper divisors (5640388262619).

12303303013221 is a wasteful number, since it uses less digits than its factorization.

12303303013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999537556.

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

Adding to 12303303013221 its reverse (12231030330321), we get a palindrome (24534333343542).

The spelling of 12303303013221 in words is "twelve trillion, three hundred three billion, three hundred three million, thirteen thousand, two hundred twenty-one".