12303313021 has 8 divisors (see below), whose sum is σ = 12490851744. Its totient is φ = 12116710320.

The previous prime is 12303313013. The next prime is 12303313027. The reversal of 12303313021 is 12031330321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12303313021 - 2³ = 12303313013 is a prime.

It is a super-2 number, since 2×12303313021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12303313021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303313027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207495 + ... + 260116.

It is an arithmetic number, because the mean of its divisors is an integer number (1561356468).

Almost surely, 2^12303313021 is an apocalyptic number.

It is an amenable number.

12303313021 is a deficient number, since it is larger than the sum of its proper divisors (187538723).

12303313021 is an equidigital number, since it uses as much as digits as its factorization.

12303313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468011.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12303313021 its reverse (12031330321), we get a palindrome (24334643342).

The spelling of 12303313021 in words is "twelve billion, three hundred three million, three hundred thirteen thousand, twenty-one".