Base | Representation |
---|---|
bin | 1011000110001101001011… |
… | …0100111011010000101101 |
3 | 1121012102112200120012211220 |
4 | 2301203102310323100231 |
5 | 3044401122004211341 |
6 | 41541101343533553 |
7 | 2366340130406403 |
oct | 261432264732055 |
9 | 47172480505756 |
10 | 12201244210221 |
11 | 39845782a8610 |
12 | 1450823bba2b9 |
13 | 6a6759712211 |
14 | 30278701b473 |
15 | 1625b0714a66 |
hex | b18d2d3b42d |
12201244210221 has 96 divisors (see below), whose sum is σ = 18807783949440. Its totient is φ = 6971879232000.
The previous prime is 12201244210219. The next prime is 12201244210249.
12201244210221 is nontrivially palindromic in base 10.
12201244210221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12201244210221 - 21 = 12201244210219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12201244210191 and 12201244210200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12201244210121) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 272393695 + ... + 272438483.
It is an arithmetic number, because the mean of its divisors is an integer number (195914416140).
Almost surely, 212201244210221 is an apocalyptic number.
12201244210221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12201244210221 is a deficient number, since it is larger than the sum of its proper divisors (6606539739219).
12201244210221 is a wasteful number, since it uses less digits than its factorization.
12201244210221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45035 (or 44988 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 24.
It can be divided in two parts, 1220124 and 4210221, that added together give a palindrome (5430345).
The spelling of 12201244210221 in words is "twelve trillion, two hundred one billion, two hundred forty-four million, two hundred ten thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •