12221103124 has 6 divisors (see below), whose sum is σ = 21386930474. Its totient is φ = 6110551560.

The previous prime is 12221103109. The next prime is 12221103149. The reversal of 12221103124 is 42130112221.

12221103124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10654368400 + 1566734724 = 103220^2 + 39582^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527637887 + ... + 1527637894.

Almost surely, 2^12221103124 is an apocalyptic number.

It is an amenable number.

12221103124 is a deficient number, since it is larger than the sum of its proper divisors (9165827350).

12221103124 is a wasteful number, since it uses less digits than its factorization.

12221103124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055275785 (or 3055275783 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12221103124 its reverse (42130112221), we get a palindrome (54351215345).

The spelling of 12221103124 in words is "twelve billion, two hundred twenty-one million, one hundred three thousand, one hundred twenty-four".