Base | Representation |
---|---|
bin | 1011000110001100010011… |
… | …1011110000011110010101 |
3 | 1121012101221102222000012112 |
4 | 2301203010323300132111 |
5 | 3044400132321320041 |
6 | 41541022300000405 |
7 | 2366331300233213 |
oct | 261430473603625 |
9 | 47171842860175 |
10 | 12201011120021 |
11 | 3984468774489 |
12 | 1450779b30105 |
13 | 6a6720340519 |
14 | 3027640a3cb3 |
15 | 16259a020deb |
hex | b18c4ef0795 |
12201011120021 has 8 divisors (see below), whose sum is σ = 12289832705280. Its totient is φ = 12112453492992.
The previous prime is 12201011120017. The next prime is 12201011120047. The reversal of 12201011120021 is 12002111010221.
12201011120021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12201011120021 - 22 = 12201011120017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12201011119978 and 12201011120005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12201011120821) 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, 65896775 + ... + 66081668.
It is an arithmetic number, because the mean of its divisors is an integer number (1536229088160).
Almost surely, 212201011120021 is an apocalyptic number.
It is an amenable number.
12201011120021 is a deficient number, since it is larger than the sum of its proper divisors (88821585259).
12201011120021 is a wasteful number, since it uses less digits than its factorization.
12201011120021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131979115.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 12201011120021 its reverse (12002111010221), we get a palindrome (24203122130242).
The spelling of 12201011120021 in words is "twelve trillion, two hundred one billion, eleven million, one hundred twenty thousand, twenty-one".
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