12421010244 has 48 divisors (see below), whose sum is σ = 29328179328. Its totient is φ = 4091071488.

The previous prime is 12421010243. The next prime is 12421010267. The reversal of 12421010244 is 44201012421.

It is a self number, because there is not a number n which added to its sum of digits gives 12421010244.

It is not an unprimeable number, because it can be changed into a prime (12421010243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744862 + ... + 761354.

It is an arithmetic number, because the mean of its divisors is an integer number (611003736).

Almost surely, 2^12421010244 is an apocalyptic number.

It is an amenable number.

12421010244 is an abundant number, since it is smaller than the sum of its proper divisors (16907169084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12421010244 is a wasteful number, since it uses less digits than its factorization.

12421010244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17244 (or 17242 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12421010244 its reverse (44201012421), we get a palindrome (56622022665).

The spelling of 12421010244 in words is "twelve billion, four hundred twenty-one million, ten thousand, two hundred forty-four".