12381784978080 has 192 divisors, whose sum is σ = 44702150572800. Its totient is φ = 2822012780544.

The previous prime is 12381784978037. The next prime is 12381784978141. The reversal of 12381784978080 is 8087948718321.

It is a super-3 number, since 3×12381784978080³ (a number of 40 digits) contains 333 as substring.

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, 4106809 + ... + 6452088.

It is an arithmetic number, because the mean of its divisors is an integer number (232823700900).

Almost surely, 2^{12381784978080} is an apocalyptic number.

12381784978080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12381784978080 is an abundant number, since it is smaller than the sum of its proper divisors (32320365594720).

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

12381784978080 is a wasteful number, since it uses less digits than its factorization.

12381784978080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559271 (or 10559263 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 66.

The spelling of 12381784978080 in words is "twelve trillion, three hundred eighty-one billion, seven hundred eighty-four million, nine hundred seventy-eight thousand, eighty".