12123441043 has 8 divisors (see below), whose sum is σ = 13856245088. Its totient is φ = 10390857984.

The previous prime is 12123441023. The next prime is 12123441049. The reversal of 12123441043 is 34014432121.

12123441043 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 12123441043 - 2²¹ = 12121343891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12123440999 and 12123441017.

It is not an unprimeable number, because it can be changed into a prime (12123441049) 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, 86605 + ... + 178177.

It is an arithmetic number, because the mean of its divisors is an integer number (1732030636).

Almost surely, 2^12123441043 is an apocalyptic number.

12123441043 is a deficient number, since it is larger than the sum of its proper divisors (1732804045).

12123441043 is an equidigital number, since it uses as much as digits as its factorization.

12123441043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110493.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12123441043 its reverse (34014432121), we get a palindrome (46137873164).

The spelling of 12123441043 in words is "twelve billion, one hundred twenty-three million, four hundred forty-one thousand, forty-three".