100122112212 has 24 divisors (see below), whose sum is σ = 241674064800. Its totient is φ = 32223208416.

The previous prime is 100122112177. The next prime is 100122112219. The reversal of 100122112212 is 212211221001.

It is a junction number, because it is equal to n+sod(n) for n = 100122112191 and 100122112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122112219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143853262 + ... + 143853957.

It is an arithmetic number, because the mean of its divisors is an integer number (10069752700).

Almost surely, 2^100122112212 is an apocalyptic number.

100122112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100122112212 is an abundant number, since it is smaller than the sum of its proper divisors (141551952588).

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

100122112212 is a wasteful number, since it uses less digits than its factorization.

100122112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287707255 (or 287707253 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100122112212 its reverse (212211221001), we get a palindrome (312333333213).

The spelling of 100122112212 in words is "one hundred billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twelve".