12478141530 has 40 divisors (see below), whose sum is σ = 33552338292. Its totient is φ = 3327504192.

The previous prime is 12478141523. The next prime is 12478141537. The reversal of 12478141530 is 3514187421.

12478141530 is a `hidden beast` number, since 1 + 2 + 4 + 7 + 81 + 41 + 530 = 666.

12478141530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12478141523) and next prime (12478141537).

It can be written as a sum of positive squares in 2 ways, for example, as 12268442169 + 209699361 = 110763^2 + 14481^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12478141537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7701747 + ... + 7703366.

Almost surely, 2^12478141530 is an apocalyptic number.

12478141530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12478141530 is an abundant number, since it is smaller than the sum of its proper divisors (21074196762).

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

12478141530 is a wasteful number, since it uses less digits than its factorization.

12478141530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405132 (or 15405123 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 12478141530 in words is "twelve billion, four hundred seventy-eight million, one hundred forty-one thousand, five hundred thirty".