12960387108 has 18 divisors (see below), whose sum is σ = 32760978614. Its totient is φ = 4320129024.

The previous prime is 12960387067. The next prime is 12960387109. The reversal of 12960387108 is 80178306921.

12960387108 is a `hidden beast` number, since 1 + 29 + 603 + 8 + 7 + 10 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11601874944 + 1358512164 = 107712^2 + 36858^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (12960387109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180005341 + ... + 180005412.

Almost surely, 2^12960387108 is an apocalyptic number.

12960387108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12960387108 is an abundant number, since it is smaller than the sum of its proper divisors (19800591506).

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

12960387108 is a wasteful number, since it uses less digits than its factorization.

12960387108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360010763 (or 360010758 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 12960387108 in words is "twelve billion, nine hundred sixty million, three hundred eighty-seven thousand, one hundred eight".