100222202101212 has 84 divisors (see below), whose sum is σ = 267273855480856. Its totient is φ = 32859738335520.

The previous prime is 100222202101163. The next prime is 100222202101213. The reversal of 100222202101212 is 212101202222001.

It is a happy number.

100222202101212 is a `hidden beast` number, since 1 + 0 + 0 + 22 + 220 + 210 + 1 + 212 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222202101213) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 281541418 + ... + 281897169.

Almost surely, 2^{100222202101212} is an apocalyptic number.

100222202101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100222202101212 is an abundant number, since it is smaller than the sum of its proper divisors (167051653379644).

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

100222202101212 is an equidigital number, since it uses as much as digits as its factorization.

100222202101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563438670 (or 563438653 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100222202101212 its reverse (212101202222001), we get a palindrome (312323404323213).

The spelling of 100222202101212 in words is "one hundred trillion, two hundred twenty-two billion, two hundred two million, one hundred one thousand, two hundred twelve".