12421434130 has 32 divisors (see below), whose sum is σ = 25559743104. Its totient is φ = 4257597696.

The previous prime is 12421434127. The next prime is 12421434143. The reversal of 12421434130 is 3143412421.

It is a junction number, because it is equal to n+sod(n) for n = 12421434095 and 12421434104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251994 + ... + 297226.

It is an arithmetic number, because the mean of its divisors is an integer number (798741972).

Almost surely, 2^12421434130 is an apocalyptic number.

12421434130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421434130 is an abundant number, since it is smaller than the sum of its proper divisors (13138308974).

12421434130 is a wasteful number, since it uses less digits than its factorization.

12421434130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49170.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12421434130 its reverse (3143412421), we get a palindrome (15564846551).

The spelling of 12421434130 in words is "twelve billion, four hundred twenty-one million, four hundred thirty-four thousand, one hundred thirty".