12111444344 has 16 divisors (see below), whose sum is σ = 22710633120. Its totient is φ = 6055275520.

The previous prime is 12111444329. The next prime is 12111444349. The reversal of 12111444344 is 44344411121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111444349) 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, 78392 + ... + 174264.

It is an arithmetic number, because the mean of its divisors is an integer number (1419414570).

Almost surely, 2^12111444344 is an apocalyptic number.

It is an amenable number.

12111444344 is a deficient number, since it is larger than the sum of its proper divisors (10599188776).

12111444344 is a wasteful number, since it uses less digits than its factorization.

12111444344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111670 (or 111666 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

Adding to 12111444344 its reverse (44344411121), we get a palindrome (56455855465).

The spelling of 12111444344 in words is "twelve billion, one hundred eleven million, four hundred forty-four thousand, three hundred forty-four".