Base | Representation |
---|---|
bin | 1011000110001101000011… |
… | …0010100000000100000101 |
3 | 1121012102110022020011211011 |
4 | 2301203100302200010011 |
5 | 3044401034231120401 |
6 | 41541054123042221 |
7 | 2366336233656634 |
oct | 261432062400405 |
9 | 47172408204734 |
10 | 12201210020101 |
11 | 398455aa76013 |
12 | 1450814670371 |
13 | 6a6752600c8b |
14 | 30278267b51b |
15 | 1625ac70e451 |
hex | b18d0ca0105 |
12201210020101 has 4 divisors (see below), whose sum is σ = 12214603226304. Its totient is φ = 12187816813900.
The previous prime is 12201210020099. The next prime is 12201210020107. The reversal of 12201210020101 is 10102001210221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12201210020101 - 21 = 12201210020099 is a prime.
It is a super-2 number, since 2×122012100201012 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12201210020107) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6696601735 + ... + 6696603556.
It is an arithmetic number, because the mean of its divisors is an integer number (3053650806576).
Almost surely, 212201210020101 is an apocalyptic number.
It is an amenable number.
12201210020101 is a deficient number, since it is larger than the sum of its proper divisors (13393206203).
12201210020101 is an equidigital number, since it uses as much as digits as its factorization.
12201210020101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13393206202.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12201210020101 its reverse (10102001210221), we get a palindrome (22303211230322).
The spelling of 12201210020101 in words is "twelve trillion, two hundred one billion, two hundred ten million, twenty thousand, one hundred one".
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