100100212212108 has 48 divisors (see below), whose sum is σ = 233680768966400. Its totient is φ = 33350509080000.

The previous prime is 100100212212107. The next prime is 100100212212163. The reversal of 100100212212108 is 801212212001001.

It is not an unprimeable number, because it can be changed into a prime (100100212212107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788443818 + ... + 788570766.

Almost surely, 2^{100100212212108} is an apocalyptic number.

It is an amenable number.

100100212212108 is an abundant number, since it is smaller than the sum of its proper divisors (133580556754292).

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

100100212212108 is a wasteful number, since it uses less digits than its factorization.

100100212212108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158398 (or 158396 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 100100212212108 its reverse (801212212001001), we get a palindrome (901312424213109).

The spelling of 100100212212108 in words is "one hundred trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, one hundred eight".