12660109841700 has 144 divisors (see below), whose sum is σ = 40701819500160. Its totient is φ = 3375870791040.

The previous prime is 12660109841683. The next prime is 12660109841719. The reversal of 12660109841700 is 714890106621.

12660109841700 is a `hidden beast` number, since 1 + 26 + 601 + 0 + 9 + 8 + 4 + 17 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64412977 + ... + 64609223.

Almost surely, 2^{12660109841700} is an apocalyptic number.

12660109841700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12660109841700 is an abundant number, since it is smaller than the sum of its proper divisors (28041709658460).

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

12660109841700 is a wasteful number, since it uses less digits than its factorization.

12660109841700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220163 (or 220150 counting only the distinct ones).

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

The spelling of 12660109841700 in words is "twelve trillion, six hundred sixty billion, one hundred nine million, eight hundred forty-one thousand, seven hundred".