12095324921 has 2 divisors, whose sum is σ = 12095324922. Its totient is φ = 12095324920.

The previous prime is 12095324863. The next prime is 12095324953. The reversal of 12095324921 is 12942359021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8963355625 + 3131969296 = 94675^2 + 55964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12095324921 is a prime.

It is not a weakly prime, because it can be changed into another prime (12095324221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6047662460 + 6047662461.

It is an arithmetic number, because the mean of its divisors is an integer number (6047662461).

Almost surely, 2^12095324921 is an apocalyptic number.

It is an amenable number.

12095324921 is a deficient number, since it is larger than the sum of its proper divisors (1).

12095324921 is an equidigital number, since it uses as much as digits as its factorization.

12095324921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 12095324921 in words is "twelve billion, ninety-five million, three hundred twenty-four thousand, nine hundred twenty-one".