12683418380 has 12 divisors (see below), whose sum is σ = 26635178640. Its totient is φ = 5073367344.

The previous prime is 12683418373. The next prime is 12683418383. The reversal of 12683418380 is 8381438621.

It is not an unprimeable number, because it can be changed into a prime (12683418383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317085440 + ... + 317085479.

It is an arithmetic number, because the mean of its divisors is an integer number (2219598220).

Almost surely, 2^12683418380 is an apocalyptic number.

12683418380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12683418380 is an abundant number, since it is smaller than the sum of its proper divisors (13951760260).

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

12683418380 is a wasteful number, since it uses less digits than its factorization.

12683418380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634170928 (or 634170926 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

It can be divided in two parts, 1268341 and 8380, that added together give a palindrome (1276721).

The spelling of 12683418380 in words is "twelve billion, six hundred eighty-three million, four hundred eighteen thousand, three hundred eighty".