12354845321 has 16 divisors (see below), whose sum is σ = 15730310400. Its totient is φ = 9438182208.

The previous prime is 12354845273. The next prime is 12354845333.

12354845321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12354845321 - 2⁶ = 12354845257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12354845351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2338181 + ... + 2343458.

It is an arithmetic number, because the mean of its divisors is an integer number (983144400).

Almost surely, 2^12354845321 is an apocalyptic number.

It is an amenable number.

12354845321 is a deficient number, since it is larger than the sum of its proper divisors (3375465079).

12354845321 is a wasteful number, since it uses less digits than its factorization.

12354845321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681688.

The product of its digits is 115200, while the sum is 38.

The spelling of 12354845321 in words is "twelve billion, three hundred fifty-four million, eight hundred forty-five thousand, three hundred twenty-one".