12375057321 has 18 divisors (see below), whose sum is σ = 19647820010. Its totient is φ = 7500034080.

The previous prime is 12375057293. The next prime is 12375057329.

It is a happy number.

12375057321 is a `hidden beast` number, since 1 + 2 + 37 + 50 + 573 + 2 + 1 = 666.

12375057321 is nontrivially palindromic in base 10.

12375057321 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 only one way, i.e., 6713999721 + 5661057600 = 81939^2 + 75240^2 .

It is not a de Polignac number, because 12375057321 - 2⁷ = 12375057193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12375057329) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 5680756 + ... + 5682933.

Almost surely, 2^12375057321 is an apocalyptic number.

12375057321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12375057321 is a deficient number, since it is larger than the sum of its proper divisors (7272762689).

12375057321 is a wasteful number, since it uses less digits than its factorization.

12375057321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363717 (or 11363703 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 12375057321 in words is "twelve billion, three hundred seventy-five million, fifty-seven thousand, three hundred twenty-one".