12412421420 has 48 divisors (see below), whose sum is σ = 29796621120. Its totient is φ = 4254714624.

The previous prime is 12412421389. The next prime is 12412421447. The reversal of 12412421420 is 2412421421.

12412421420 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 15 ways as a sum of consecutive naturals, for example, 887522 + ... + 901398.

It is an arithmetic number, because the mean of its divisors is an integer number (620762940).

Almost surely, 2^12412421420 is an apocalyptic number.

12412421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12412421420 is an abundant number, since it is smaller than the sum of its proper divisors (17384199700).

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

12412421420 is a wasteful number, since it uses less digits than its factorization.

12412421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20282 (or 20280 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12412421420 its reverse (2412421421), we get a palindrome (14824842841).

Subtracting from 12412421420 its reverse (2412421421), we obtain a palindrome (9999999999).

The spelling of 12412421420 in words is "twelve billion, four hundred twelve million, four hundred twenty-one thousand, four hundred twenty".