| Base | Representation |
|---|---|
| bin | 110000001110011110101001… |
| … | …010110011100100110101000 |
| 3 | 1000210222200022002110110101200 |
| 4 | 300032132221112130212220 |
| 5 | 210300031240032242300 |
| 6 | 2031033541251044200 |
| 7 | 62450543511412452 |
| oct | 6016365126344650 |
| 9 | 1023880262413350 |
| 10 | 212101211212200 |
| 11 | 61644689297972 |
| 12 | 1b9567765a0660 |
| 13 | 914709b3a9bbb |
| 14 | 3a53a794712d2 |
| 15 | 197c38c6ec200 |
| hex | c0e7a959c9a8 |
212101211212200 has 576 divisors, whose sum is σ = 723938891195520. Its totient is φ = 55644330240000.
The previous prime is 212101211212199. The next prime is 212101211212207. The reversal of 212101211212200 is 2212112101212.
212101211212200 is a `hidden beast` number, since 2 + 1 + 210 + 1 + 211 + 21 + 220 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (212101211212207) 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 143 ways as a sum of consecutive naturals, for example, 58802662797 + ... + 58802666403.
It is an arithmetic number, because the mean of its divisors is an integer number (1256838352770).
Almost surely, 2212101211212200 is an apocalyptic number.
212101211212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212101211212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361969445597760).
212101211212200 is an abundant number, since it is smaller than the sum of its proper divisors (511837679983320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212101211212200 is a wasteful number, since it uses less digits than its factorization.
212101211212200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5698 (or 5686 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 212101211212200 its reverse (2212112101212), we get a palindrome (214313323313412).
The spelling of 212101211212200 in words is "two hundred twelve trillion, one hundred one billion, two hundred eleven million, two hundred twelve thousand, two hundred".
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