12708810618 has 64 divisors (see below), whose sum is σ = 29808000000. Its totient is φ = 3610698672.

The previous prime is 12708810607. The next prime is 12708810661. The reversal of 12708810618 is 81601880721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 12708810618.

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, 351133 + ... + 385631.

It is an arithmetic number, because the mean of its divisors is an integer number (465750000).

Almost surely, 2^12708810618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12708810618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14904000000).

12708810618 is an abundant number, since it is smaller than the sum of its proper divisors (17099189382).

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

12708810618 is a wasteful number, since it uses less digits than its factorization.

12708810618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34704 (or 34690 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 42.

The spelling of 12708810618 in words is "twelve billion, seven hundred eight million, eight hundred ten thousand, six hundred eighteen".