12546878430 has 64 divisors (see below), whose sum is σ = 30587010048. Its totient is φ = 3293408640.

The previous prime is 12546878429. The next prime is 12546878459. The reversal of 12546878430 is 3487864521.

It is a self number, because there is not a number n which added to its sum of digits gives 12546878430.

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, 680635 + ... + 698825.

It is an arithmetic number, because the mean of its divisors is an integer number (477922032).

Almost surely, 2^12546878430 is an apocalyptic number.

12546878430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12546878430 is an abundant number, since it is smaller than the sum of its proper divisors (18040131618).

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

12546878430 is a wasteful number, since it uses less digits than its factorization.

12546878430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18561.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 12546878430 in words is "twelve billion, five hundred forty-six million, eight hundred seventy-eight thousand, four hundred thirty".