100000220122212 has 12 divisors (see below), whose sum is σ = 233333846951856. Its totient is φ = 33333406707400.

The previous prime is 100000220122211. The next prime is 100000220122249. The reversal of 100000220122212 is 212221022000001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 100000220122191 and 100000220122200.

It is not an unprimeable number, because it can be changed into a prime (100000220122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166675838414 + ... + 4166675838437.

It is an arithmetic number, because the mean of its divisors is an integer number (19444487245988).

Almost surely, 2^{100000220122212} is an apocalyptic number.

100000220122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100000220122212 is an abundant number, since it is smaller than the sum of its proper divisors (133333626829644).

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

100000220122212 is a wasteful number, since it uses less digits than its factorization.

100000220122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333351676858 (or 8333351676856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100000220122212 its reverse (212221022000001), we get a palindrome (312221242122213).

The spelling of 100000220122212 in words is "one hundred trillion, two hundred twenty million, one hundred twenty-two thousand, two hundred twelve".