12430031340 has 24 divisors (see below), whose sum is σ = 34804087920. Its totient is φ = 3314675008.

The previous prime is 12430031309. The next prime is 12430031357. The reversal of 12430031340 is 4313003421.

It is a super-2 number, since 2×12430031340² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103583535 + ... + 103583654.

It is an arithmetic number, because the mean of its divisors is an integer number (1450170330).

Almost surely, 2^12430031340 is an apocalyptic number.

12430031340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430031340 is an abundant number, since it is smaller than the sum of its proper divisors (22374056580).

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

12430031340 is a wasteful number, since it uses less digits than its factorization.

12430031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207167201 (or 207167199 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12430031340 its reverse (4313003421), we get a palindrome (16743034761).

The spelling of 12430031340 in words is "twelve billion, four hundred thirty million, thirty-one thousand, three hundred forty".