12000005640180 has 1152 divisors, whose sum is σ = 42606408499200. Its totient is φ = 2820581761536.

The previous prime is 12000005640179. The next prime is 12000005640191. The reversal of 12000005640180 is 8104650000021.

12000005640180 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 0 + 0 + 0 + 5 + 640 + 18 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 23856869809 + ... + 23856870311.

It is an arithmetic number, because the mean of its divisors is an integer number (36984729600).

Almost surely, 2^{12000005640180} is an apocalyptic number.

12000005640180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000005640180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21303204249600).

12000005640180 is an abundant number, since it is smaller than the sum of its proper divisors (30606402859020).

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

12000005640180 is a wasteful number, since it uses less digits than its factorization.

12000005640180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 12000005640180 in words is "twelve trillion, five million, six hundred forty thousand, one hundred eighty".