12430132420 has 96 divisors (see below), whose sum is σ = 28886409216. Its totient is φ = 4468992000.

The previous prime is 12430132399. The next prime is 12430132447. The reversal of 12430132420 is 2423103421.

It is a junction number, because it is equal to n+sod(n) for n = 12430132391 and 12430132400.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9000130 + ... + 9001510.

It is an arithmetic number, because the mean of its divisors is an integer number (300900096).

Almost surely, 2^12430132420 is an apocalyptic number.

12430132420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12430132420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14443204608).

12430132420 is an abundant number, since it is smaller than the sum of its proper divisors (16456276796).

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

12430132420 is a wasteful number, since it uses less digits than its factorization.

12430132420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581 (or 2579 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12430132420 its reverse (2423103421), we get a palindrome (14853235841).

The spelling of 12430132420 in words is "twelve billion, four hundred thirty million, one hundred thirty-two thousand, four hundred twenty".