Base | Representation |
---|---|
bin | 1011000111010111001110… |
… | …0101010111001100100101 |
3 | 1121021022211221111102120010 |
4 | 2301311303211113030211 |
5 | 3100212324002200201 |
6 | 41554145555200433 |
7 | 2400642526426545 |
oct | 261656345271445 |
9 | 47238757442503 |
10 | 12221121131301 |
11 | 3991a48302615 |
12 | 14546508a6119 |
13 | 6a85a6755694 |
14 | 303710c25325 |
15 | 162d7576cbd6 |
hex | b1d73957325 |
12221121131301 has 8 divisors (see below), whose sum is σ = 16518044999680. Its totient is φ = 8035805675232.
The previous prime is 12221121131269. The next prime is 12221121131309. The reversal of 12221121131301 is 10313112112221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12221121131301 - 25 = 12221121131269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12221121131309) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27902102821 + ... + 27902103258.
It is an arithmetic number, because the mean of its divisors is an integer number (2064755624960).
Almost surely, 212221121131301 is an apocalyptic number.
It is an amenable number.
12221121131301 is a deficient number, since it is larger than the sum of its proper divisors (4296923868379).
12221121131301 is an equidigital number, since it uses as much as digits as its factorization.
12221121131301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55804206155.
The product of its (nonzero) digits is 144, while the sum is 21.
Adding to 12221121131301 its reverse (10313112112221), we get a palindrome (22534233243522).
The spelling of 12221121131301 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred one".
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