12094168321 has 4 divisors (see below), whose sum is σ = 12099767044. Its totient is φ = 12088569600.

The previous prime is 12094168319. The next prime is 12094168327. The reversal of 12094168321 is 12386149021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12386149021 = 59779 ⋅207199.

It can be written as a sum of positive squares in 2 ways, for example, as 8254631025 + 3839537296 = 90855^2 + 61964^2 .

It is a cyclic number.

It is not a de Polignac number, because 12094168321 - 2¹ = 12094168319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12094168327) 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, 2796120 + ... + 2800441.

It is an arithmetic number, because the mean of its divisors is an integer number (3024941761).

Almost surely, 2^12094168321 is an apocalyptic number.

It is an amenable number.

12094168321 is a deficient number, since it is larger than the sum of its proper divisors (5598723).

12094168321 is an equidigital number, since it uses as much as digits as its factorization.

12094168321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598722.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 12094168321 in words is "twelve billion, ninety-four million, one hundred sixty-eight thousand, three hundred twenty-one".