Base | Representation |
---|---|
bin | 1011000111010110110110… |
… | …1000100010100111010001 |
3 | 1121021022120222122112102000 |
4 | 2301311231220202213101 |
5 | 3100212122423114301 |
6 | 41554132031344213 |
7 | 2400640205042646 |
oct | 261655550424721 |
9 | 47238528575360 |
10 | 12221021301201 |
11 | 39919a6a177a9 |
12 | 1454623382069 |
13 | 6a858bb7130b |
14 | 303701879dcd |
15 | 162d6baed786 |
hex | b1d6da229d1 |
12221021301201 has 64 divisors (see below), whose sum is σ = 19466864962560. Its totient is φ = 7549561324800.
The previous prime is 12221021301191. The next prime is 12221021301233. The reversal of 12221021301201 is 10210312012221.
12221021301201 is a `hidden beast` number, since 122 + 21 + 0 + 21 + 301 + 201 = 666.
12221021301201 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 12221021301201 - 29 = 12221021300689 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12221021306201) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57309426 + ... + 57522276.
It is an arithmetic number, because the mean of its divisors is an integer number (304169765040).
Almost surely, 212221021301201 is an apocalyptic number.
It is an amenable number.
12221021301201 is a deficient number, since it is larger than the sum of its proper divisors (7245843661359).
12221021301201 is a wasteful number, since it uses less digits than its factorization.
12221021301201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214811 (or 214805 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 12221021301201 its reverse (10210312012221), we get a palindrome (22431333313422).
The spelling of 12221021301201 in words is "twelve trillion, two hundred twenty-one billion, twenty-one million, three hundred one thousand, two hundred one".
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