218432112042 has 16 divisors (see below), whose sum is σ = 437078502720. Its totient is φ = 72774990912.

The previous prime is 218432112023. The next prime is 218432112043. The reversal of 218432112042 is 240211234812.

218432112042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×218432112042² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (218432112043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8915023 + ... + 8939490.

It is an arithmetic number, because the mean of its divisors is an integer number (27317406420).

Almost surely, 2^218432112042 is an apocalyptic number.

218432112042 is an abundant number, since it is smaller than the sum of its proper divisors (218646390678).

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

218432112042 is a wasteful number, since it uses less digits than its factorization.

218432112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17856557.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 218432112042 its reverse (240211234812), we get a palindrome (458643346854).

The spelling of 218432112042 in words is "two hundred eighteen billion, four hundred thirty-two million, one hundred twelve thousand, forty-two".