12214043444 has 6 divisors (see below), whose sum is σ = 21374576034. Its totient is φ = 6107021720.

The previous prime is 12214043393. The next prime is 12214043447. The reversal of 12214043444 is 44434041221.

It can be written as a sum of positive squares in only one way, i.e., 12007776400 + 206267044 = 109580^2 + 14362^2 .

It is a super-2 number, since 2×12214043444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214043447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526755427 + ... + 1526755434.

It is an arithmetic number, because the mean of its divisors is an integer number (3562429339).

Almost surely, 2^12214043444 is an apocalyptic number.

It is an amenable number.

12214043444 is a deficient number, since it is larger than the sum of its proper divisors (9160532590).

12214043444 is a wasteful number, since it uses less digits than its factorization.

12214043444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053510865 (or 3053510863 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 12214043444 its reverse (44434041221), we get a palindrome (56648084665).

The spelling of 12214043444 in words is "twelve billion, two hundred fourteen million, forty-three thousand, four hundred forty-four".