12421404306 has 48 divisors (see below), whose sum is σ = 27518310144. Its totient is φ = 4047559872.

The previous prime is 12421404277. The next prime is 12421404313. The reversal of 12421404306 is 60340412421.

It is a happy number.

12421404306 is a `hidden beast` number, since 12 + 4 + 214 + 0 + 430 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12421404306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742126 + ... + 758678.

It is an arithmetic number, because the mean of its divisors is an integer number (573298128).

Almost surely, 2^12421404306 is an apocalyptic number.

12421404306 is an abundant number, since it is smaller than the sum of its proper divisors (15096905838).

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

12421404306 is a wasteful number, since it uses less digits than its factorization.

12421404306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17495 (or 17492 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12421404306 its reverse (60340412421), we get a palindrome (72761816727).

The spelling of 12421404306 in words is "twelve billion, four hundred twenty-one million, four hundred four thousand, three hundred six".