12250105443 has 8 divisors (see below), whose sum is σ = 18148304400. Its totient is φ = 8166736944.

The previous prime is 12250105409. The next prime is 12250105453. The reversal of 12250105443 is 34450105221.

12250105443 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 12250105443 - 2²⁴ = 12233328227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 453707609 = 12250105443 / (1 + 2 + 2 + 5 + 0 + 1 + 0 + 5 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (12250105403) 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, 226853778 + ... + 226853831.

It is an arithmetic number, because the mean of its divisors is an integer number (2268538050).

Almost surely, 2^12250105443 is an apocalyptic number.

12250105443 is a deficient number, since it is larger than the sum of its proper divisors (5898198957).

12250105443 is an equidigital number, since it uses as much as digits as its factorization.

12250105443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453707618 (or 453707612 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 12250105443 in words is "twelve billion, two hundred fifty million, one hundred five thousand, four hundred forty-three".