12421304010 has 24 divisors (see below), whose sum is σ = 32295390660. Its totient is φ = 3312347712.

The previous prime is 12421303967. The next prime is 12421304011. The reversal of 12421304010 is 1040312421.

12421304010 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 2 ways, for example, as 11811559761 + 609744249 = 108681^2 + 24693^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12421304011) by changing a digit.

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, 69007155 + ... + 69007334.

Almost surely, 2^12421304010 is an apocalyptic number.

12421304010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421304010 is an abundant number, since it is smaller than the sum of its proper divisors (19874086650).

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

12421304010 is a wasteful number, since it uses less digits than its factorization.

12421304010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138014502 (or 138014499 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12421304010 its reverse (1040312421), we get a palindrome (13461616431).

The spelling of 12421304010 in words is "twelve billion, four hundred twenty-one million, three hundred four thousand, ten".