100322212212 has 72 divisors (see below), whose sum is σ = 264743879400. Its totient is φ = 31991355648.

The previous prime is 100322212171. The next prime is 100322212223. The reversal of 100322212212 is 212212223001.

100322212212 is a `hidden beast` number, since 100 + 322 + 21 + 221 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3180283236 + 97141928976 = 56394^2 + 311676^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 327003 + ... + 554594.

It is an arithmetic number, because the mean of its divisors is an integer number (3676998325).

Almost surely, 2^100322212212 is an apocalyptic number.

100322212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100322212212 is an abundant number, since it is smaller than the sum of its proper divisors (164421667188).

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

100322212212 is a wasteful number, since it uses less digits than its factorization.

100322212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881745 (or 881740 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 100322212212 its reverse (212212223001), we get a palindrome (312534435213).

The spelling of 100322212212 in words is "one hundred billion, three hundred twenty-two million, two hundred twelve thousand, two hundred twelve".