12421420204 has 12 divisors (see below), whose sum is σ = 22682593584. Its totient is φ = 5940679184.

The previous prime is 12421420171. The next prime is 12421420213. The reversal of 12421420204 is 40202412421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67507627 + ... + 67507810.

It is an arithmetic number, because the mean of its divisors is an integer number (1890216132).

Almost surely, 2^12421420204 is an apocalyptic number.

It is an amenable number.

12421420204 is a deficient number, since it is larger than the sum of its proper divisors (10261173380).

12421420204 is a wasteful number, since it uses less digits than its factorization.

12421420204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135015464 (or 135015462 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12421420204 its reverse (40202412421), we get a palindrome (52623832625).

The spelling of 12421420204 in words is "twelve billion, four hundred twenty-one million, four hundred twenty thousand, two hundred four".