100212100222218 has 8 divisors (see below), whose sum is σ = 200424200444448. Its totient is φ = 33404033407404.

The previous prime is 100212100222037. The next prime is 100212100222219. The reversal of 100212100222218 is 812222001212001.

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

100212100222218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (100212100222219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8351008351846 + ... + 8351008351857.

It is an arithmetic number, because the mean of its divisors is an integer number (25053025055556).

Almost surely, 2^{100212100222218} is an apocalyptic number.

100212100222218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100212100222218 is a wasteful number, since it uses less digits than its factorization.

100212100222218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16702016703708.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 100212100222218 its reverse (812222001212001), we get a palindrome (912434101434219).

The spelling of 100212100222218 in words is "one hundred trillion, two hundred twelve billion, one hundred million, two hundred twenty-two thousand, two hundred eighteen".