Base | Representation |
---|---|
bin | 111000011100000011… |
… | …0000111100101001101 |
3 | 102120211122120201020220 |
4 | 1300320012013211031 |
5 | 3441204223243201 |
6 | 131402325101553 |
7 | 11520311543430 |
oct | 1607006074515 |
9 | 376748521226 |
10 | 121200212301 |
11 | 474453a6413 |
12 | 1b5a58578b9 |
13 | b576a5436c |
14 | 5c1a8cd817 |
15 | 3245534036 |
hex | 1c3818794d |
121200212301 has 64 divisors (see below), whose sum is σ = 197257420800. Its totient is φ = 64616702976.
The previous prime is 121200212293. The next prime is 121200212323. The reversal of 121200212301 is 103212002121.
It is not a de Polignac number, because 121200212301 - 23 = 121200212293 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121200212801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19535866 + ... + 19542068.
It is an arithmetic number, because the mean of its divisors is an integer number (3082147200).
Almost surely, 2121200212301 is an apocalyptic number.
It is an amenable number.
121200212301 is a deficient number, since it is larger than the sum of its proper divisors (76057208499).
121200212301 is a wasteful number, since it uses less digits than its factorization.
121200212301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6698.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 121200212301 its reverse (103212002121), we get a palindrome (224412214422).
The spelling of 121200212301 in words is "one hundred twenty-one billion, two hundred million, two hundred twelve thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •