12421244122 has 24 divisors (see below), whose sum is σ = 21680923104. Its totient is φ = 5321641752.

The previous prime is 12421244057. The next prime is 12421244131. The reversal of 12421244122 is 22144212421.

12421244122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 11 ways as a sum of consecutive naturals, for example, 304923 + ... + 343249.

It is an arithmetic number, because the mean of its divisors is an integer number (903371796).

Almost surely, 2^12421244122 is an apocalyptic number.

12421244122 is a deficient number, since it is larger than the sum of its proper divisors (9259678982).

12421244122 is a wasteful number, since it uses less digits than its factorization.

12421244122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41650 (or 41643 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

Adding to 12421244122 its reverse (22144212421), we get a palindrome (34565456543).

The spelling of 12421244122 in words is "twelve billion, four hundred twenty-one million, two hundred forty-four thousand, one hundred twenty-two".