Base | Representation |
---|---|
bin | 10110101110010111… |
… | …01100000101110100 |
3 | 1011111020122022020102 |
4 | 23113023230011310 |
5 | 144441211201322 |
6 | 5334334253232 |
7 | 611221066166 |
oct | 132713540564 |
9 | 34436568212 |
10 | 12200100212 |
11 | 51a0702953 |
12 | 2445957218 |
13 | 11c5755611 |
14 | 83a428936 |
15 | 4b60e9792 |
hex | 2d72ec174 |
12200100212 has 12 divisors (see below), whose sum is σ = 21350977956. Its totient is φ = 6099820800.
The previous prime is 12200100193. The next prime is 12200100259. The reversal of 12200100212 is 21200100221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 5316743056 + 6883357156 = 72916^2 + 82966^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12200100193 and 12200100202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131462 + ... + 204162.
It is an arithmetic number, because the mean of its divisors is an integer number (1779248163).
Almost surely, 212200100212 is an apocalyptic number.
It is an amenable number.
12200100212 is a deficient number, since it is larger than the sum of its proper divisors (9150877744).
12200100212 is a wasteful number, since it uses less digits than its factorization.
12200100212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114658 (or 114656 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 12200100212 its reverse (21200100221), we get a palindrome (33400200433).
Subtracting 12200100212 from its reverse (21200100221), we obtain a palindrome (9000000009).
The spelling of 12200100212 in words is "twelve billion, two hundred million, one hundred thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •