Base | Representation |
---|---|
bin | 111000110111011111… |
… | …0101001110011100100 |
3 | 102200012211012200112221 |
4 | 1301232332221303210 |
5 | 4000100434032322 |
6 | 132033540522124 |
7 | 11552162251216 |
oct | 1615676516344 |
9 | 380184180487 |
10 | 122121002212 |
11 | 47878138510 |
12 | 1b8020b0344 |
13 | b692749871 |
14 | 5ca6cdc5b6 |
15 | 329b2ba9c7 |
hex | 1c6efa9ce4 |
122121002212 has 48 divisors (see below), whose sum is σ = 238291845120. Its totient is φ = 54284839200.
The previous prime is 122121002191. The next prime is 122121002219. The reversal of 122121002212 is 212200121221.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (122121002219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621887 + ... + 2668057.
It is an arithmetic number, because the mean of its divisors is an integer number (4964413440).
Almost surely, 2122121002212 is an apocalyptic number.
It is an amenable number.
122121002212 is a deficient number, since it is larger than the sum of its proper divisors (116170842908).
122121002212 is a wasteful number, since it uses less digits than its factorization.
122121002212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47512 (or 47510 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122121002212 its reverse (212200121221), we get a palindrome (334321123433).
The spelling of 122121002212 in words is "one hundred twenty-two billion, one hundred twenty-one million, two thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •