12251530321 has 8 divisors (see below), whose sum is σ = 12317475200. Its totient is φ = 12185629632.

The previous prime is 12251530307. The next prime is 12251530337. The reversal of 12251530321 is 12303515221.

12251530321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12251530321 - 2¹¹ = 12251528273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12251530351) 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 7 ways as a sum of consecutive naturals, for example, 649996 + ... + 668578.

It is an arithmetic number, because the mean of its divisors is an integer number (1539684400).

Almost surely, 2^12251530321 is an apocalyptic number.

It is an amenable number.

12251530321 is a deficient number, since it is larger than the sum of its proper divisors (65944879).

12251530321 is a wasteful number, since it uses less digits than its factorization.

12251530321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22095.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 12251530321 in words is "twelve billion, two hundred fifty-one million, five hundred thirty thousand, three hundred twenty-one".