12441543321 has 16 divisors (see below), whose sum is σ = 16644098304. Its totient is φ = 8266704384.

The previous prime is 12441543287. The next prime is 12441543329. The reversal of 12441543321 is 12334514421.

12441543321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12441543321 - 2¹³ = 12441535129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12441543329) 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 15 ways as a sum of consecutive naturals, for example, 2923231 + ... + 2927483.

It is an arithmetic number, because the mean of its divisors is an integer number (1040256144).

Almost surely, 2^12441543321 is an apocalyptic number.

It is an amenable number.

12441543321 is a deficient number, since it is larger than the sum of its proper divisors (4202554983).

12441543321 is a wasteful number, since it uses less digits than its factorization.

12441543321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280.

The product of its digits is 11520, while the sum is 30.

The spelling of 12441543321 in words is "twelve billion, four hundred forty-one million, five hundred forty-three thousand, three hundred twenty-one".