12430421340 has 96 divisors (see below), whose sum is σ = 35072593920. Its totient is φ = 3289401600.

The previous prime is 12430421299. The next prime is 12430421383. The reversal of 12430421340 is 4312403421.

It is a self number, because there is not a number n which added to its sum of digits gives 12430421340.

It is a congruent number.

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, 5832075 + ... + 5834205.

It is an arithmetic number, because the mean of its divisors is an integer number (365339520).

Almost surely, 2^12430421340 is an apocalyptic number.

12430421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430421340 is an abundant number, since it is smaller than the sum of its proper divisors (22642172580).

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

12430421340 is a wasteful number, since it uses less digits than its factorization.

12430421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12430421340 its reverse (4312403421), we get a palindrome (16742824761).

The spelling of 12430421340 in words is "twelve billion, four hundred thirty million, four hundred twenty-one thousand, three hundred forty".