100112220212212 has 24 divisors (see below), whose sum is σ = 188673428758472. Its totient is φ = 46205542540800.

The previous prime is 100112220212117. The next prime is 100112220212233. The reversal of 100112220212212 is 212212022211001.

100112220212212 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 4 ways, for example, as 57277106330896 + 42835113881316 = 7568164^2 + 6544854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100112220212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26701912 + ... + 30219472.

Almost surely, 2^{100112220212212} is an apocalyptic number.

It is an amenable number.

100112220212212 is a deficient number, since it is larger than the sum of its proper divisors (88561208546260).

100112220212212 is a wasteful number, since it uses less digits than its factorization.

100112220212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064899 (or 4064897 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100112220212212 its reverse (212212022211001), we get a palindrome (312324242423213).

The spelling of 100112220212212 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, two hundred twelve".