12044221311 has 8 divisors (see below), whose sum is σ = 16322223664. Its totient is φ = 7897849920.

The previous prime is 12044221223. The next prime is 12044221349. The reversal of 12044221311 is 11312244021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12044221311 - 2¹³ = 12044213119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044221811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32907526 + ... + 32907891.

It is an arithmetic number, because the mean of its divisors is an integer number (2040277958).

Almost surely, 2^12044221311 is an apocalyptic number.

12044221311 is a deficient number, since it is larger than the sum of its proper divisors (4278002353).

12044221311 is an equidigital number, since it uses as much as digits as its factorization.

12044221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65815481.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12044221311 its reverse (11312244021), we get a palindrome (23356465332).

The spelling of 12044221311 in words is "twelve billion, forty-four million, two hundred twenty-one thousand, three hundred eleven".