12421420130 has 24 divisors (see below), whose sum is σ = 26008933788. Its totient is φ = 4258772448.

The previous prime is 12421420103. The next prime is 12421420153. The reversal of 12421420130 is 3102412421.

It can be written as a sum of positive squares in 2 ways, for example, as 11880346009 + 541074121 = 108997^2 + 23261^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12674429 + ... + 12675408.

Almost surely, 2^12421420130 is an apocalyptic number.

12421420130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421420130 is an abundant number, since it is smaller than the sum of its proper divisors (13587513658).

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

12421420130 is a wasteful number, since it uses less digits than its factorization.

12421420130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349858 (or 25349851 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12421420130 its reverse (3102412421), we get a palindrome (15523832551).

The spelling of 12421420130 in words is "twelve billion, four hundred twenty-one million, four hundred twenty thousand, one hundred thirty".