212844541018 has 8 divisors (see below), whose sum is σ = 321112284948. Its totient is φ = 105807112704.

The previous prime is 212844540983. The next prime is 212844541037. The reversal of 212844541018 is 810145448212.

212844541018 is digitally balanced in base 2, 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 159821649729 + 53022891289 = 399777^2 + 230267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307578471 + ... + 307579162.

Almost surely, 2^212844541018 is an apocalyptic number.

212844541018 is a deficient number, since it is larger than the sum of its proper divisors (108267743930).

212844541018 is a wasteful number, since it uses less digits than its factorization.

212844541018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615157808.

The product of its (nonzero) digits is 81920, while the sum is 40.

The spelling of 212844541018 in words is "two hundred twelve billion, eight hundred forty-four million, five hundred forty-one thousand, eighteen".