12303446981 has 4 divisors (see below), whose sum is σ = 14061082272. Its totient is φ = 10545811692.

The previous prime is 12303446963. The next prime is 12303446999. The reversal of 12303446981 is 18964430321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12303446963) and next prime (12303446999).

It is a cyclic number.

It is not a de Polignac number, because 12303446981 - 2²² = 12299252677 is a prime.

It is a super-2 number, since 2×12303446981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303446951) 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, 878817635 + ... + 878817648.

It is an arithmetic number, because the mean of its divisors is an integer number (3515270568).

Almost surely, 2^12303446981 is an apocalyptic number.

It is an amenable number.

12303446981 is a deficient number, since it is larger than the sum of its proper divisors (1757635291).

12303446981 is an equidigital number, since it uses as much as digits as its factorization.

12303446981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757635290.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 12303446981 in words is "twelve billion, three hundred three million, four hundred forty-six thousand, nine hundred eighty-one".