12303300110021 has 4 divisors (see below), whose sum is σ = 12307808467500. Its totient is φ = 12298791752544.

The previous prime is 12303300109897. The next prime is 12303300110027. The reversal of 12303300110021 is 12001100330321.

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 12032677504225 + 270622605796 = 3468815^2 + 520214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12303300110021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303300110027) 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, 2254174646 + ... + 2254180103.

It is an arithmetic number, because the mean of its divisors is an integer number (3076952116875).

Almost surely, 2^{12303300110021} is an apocalyptic number.

It is an amenable number.

12303300110021 is a deficient number, since it is larger than the sum of its proper divisors (4508357479).

12303300110021 is an equidigital number, since it uses as much as digits as its factorization.

12303300110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508357478.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12303300110021 its reverse (12001100330321), we get a palindrome (24304400440342).

The spelling of 12303300110021 in words is "twelve trillion, three hundred three billion, three hundred million, one hundred ten thousand, twenty-one".