12718630340 has 96 divisors (see below), whose sum is σ = 29955260160. Its totient is φ = 4503744000.

The previous prime is 12718630319. The next prime is 12718630361. The reversal of 12718630340 is 4303681721.

It is an interprime number because it is at equal distance from previous prime (12718630319) and next prime (12718630361).

It is a self number, because there is not a number n which added to its sum of digits gives 12718630340.

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, 1132955 + ... + 1144125.

It is an arithmetic number, because the mean of its divisors is an integer number (312033960).

Almost surely, 2^12718630340 is an apocalyptic number.

12718630340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12718630340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14977630080).

12718630340 is an abundant number, since it is smaller than the sum of its proper divisors (17236629820).

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

12718630340 is a wasteful number, since it uses less digits than its factorization.

12718630340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11373 (or 11371 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 12718630340 in words is "twelve billion, seven hundred eighteen million, six hundred thirty thousand, three hundred forty".