12941845945 has 12 divisors (see below), whose sum is σ = 18065760804. Its totient is φ = 8874408480.

The previous prime is 12941845933. The next prime is 12941845951. The reversal of 12941845945 is 54954814921.

12941845945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4927478416 + 8014367529 = 70196^2 + 89523^2 .

It is not a de Polignac number, because 12941845945 - 2³³ = 4351911353 is a prime.

It is a super-2 number, since 2×12941845945² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12941845892 and 12941845901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26411686 + ... + 26412175.

It is an arithmetic number, because the mean of its divisors is an integer number (1505480067).

Almost surely, 2^12941845945 is an apocalyptic number.

It is an amenable number.

12941845945 is a deficient number, since it is larger than the sum of its proper divisors (5123914859).

12941845945 is an equidigital number, since it uses as much as digits as its factorization.

12941845945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52823880 (or 52823873 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The spelling of 12941845945 in words is "twelve billion, nine hundred forty-one million, eight hundred forty-five thousand, nine hundred forty-five".