12444434011 has 4 divisors (see below), whose sum is σ = 12460617400. Its totient is φ = 12428250624.

The previous prime is 12444433909. The next prime is 12444434033. The reversal of 12444434011 is 11043444421.

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 12444434011 - 2⁹ = 12444433499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444434311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8090541 + ... + 8092078.

It is an arithmetic number, because the mean of its divisors is an integer number (3115154350).

Almost surely, 2^12444434011 is an apocalyptic number.

12444434011 is a deficient number, since it is larger than the sum of its proper divisors (16183389).

12444434011 is an equidigital number, since it uses as much as digits as its factorization.

12444434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16183388.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12444434011 its reverse (11043444421), we get a palindrome (23487878432).

The spelling of 12444434011 in words is "twelve billion, four hundred forty-four million, four hundred thirty-four thousand, eleven".