12366380981680 has 40 divisors (see below), whose sum is σ = 31365639037584. Its totient is φ = 4496865811200.

The previous prime is 12366380981677. The next prime is 12366380981693. The reversal of 12366380981680 is 8618908366321.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7026351951 + ... + 7026353710.

Almost surely, 2^{12366380981680} is an apocalyptic number.

12366380981680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12366380981680 is an abundant number, since it is smaller than the sum of its proper divisors (18999258055904).

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

12366380981680 is a wasteful number, since it uses less digits than its factorization.

12366380981680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052705685 (or 14052705679 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 12366380981680 in words is "twelve trillion, three hundred sixty-six billion, three hundred eighty million, nine hundred eighty-one thousand, six hundred eighty".