12444001013443 has 4 divisors (see below), whose sum is σ = 12464169573240. Its totient is φ = 12423832453648.

The previous prime is 12444001013401. The next prime is 12444001013453. The reversal of 12444001013443 is 34431010044421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12444001013443 - 2⁹ = 12444001012931 is a prime.

It is a super-2 number, since 2×12444001013443² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444001013453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10084278973 + ... + 10084280206.

It is an arithmetic number, because the mean of its divisors is an integer number (3116042393310).

Almost surely, 2^{12444001013443} is an apocalyptic number.

12444001013443 is a deficient number, since it is larger than the sum of its proper divisors (20168559797).

12444001013443 is an equidigital number, since it uses as much as digits as its factorization.

12444001013443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20168559796.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 12444001013443 its reverse (34431010044421), we get a palindrome (46875011057864).

The spelling of 12444001013443 in words is "twelve trillion, four hundred forty-four billion, one million, thirteen thousand, four hundred forty-three".