218013488712 has 80 divisors (see below), whose sum is σ = 610709784300. Its totient is φ = 72662814720.

The previous prime is 218013488701. The next prime is 218013488741. The reversal of 218013488712 is 217884310812.

218013488712 is a `hidden beast` number, since 21 + 80 + 1 + 3 + 488 + 71 + 2 = 666.

218013488712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 215283008196 + 2730480516 = 463986^2 + 52254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8567464 + ... + 8592872.

Almost surely, 2^218013488712 is an apocalyptic number.

It is an amenable number.

218013488712 is an abundant number, since it is smaller than the sum of its proper divisors (392696295588).

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

218013488712 is a wasteful number, since it uses less digits than its factorization.

218013488712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38668 (or 38655 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 218013488712 in words is "two hundred eighteen billion, thirteen million, four hundred eighty-eight thousand, seven hundred twelve".