Base | Representation |
---|---|
bin | 1011000110101110100011… |
… | …0000010000110101010001 |
3 | 1121020021122222021011101221 |
4 | 2301223220300100311101 |
5 | 3100022443204134301 |
6 | 41545142300525041 |
7 | 2400105121504402 |
oct | 261535060206521 |
9 | 47207588234357 |
10 | 12210202021201 |
11 | 39883547a3588 |
12 | 1452503b50781 |
13 | 6a75565104a2 |
14 | 302d969ad9a9 |
15 | 162936d5ada1 |
hex | b1ae8c10d51 |
12210202021201 has 4 divisors (see below), whose sum is σ = 12210294223600. Its totient is φ = 12210109818804.
The previous prime is 12210202021169. The next prime is 12210202021207. The reversal of 12210202021201 is 10212020201221.
It is a happy number.
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 12210202021201 - 25 = 12210202021169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12210202021207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45902271 + ... + 46167508.
It is an arithmetic number, because the mean of its divisors is an integer number (3052573555900).
Almost surely, 212210202021201 is an apocalyptic number.
It is an amenable number.
12210202021201 is a deficient number, since it is larger than the sum of its proper divisors (92202399).
12210202021201 is an equidigital number, since it uses as much as digits as its factorization.
12210202021201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92202398.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 12210202021201 its reverse (10212020201221), we get a palindrome (22422222222422).
The spelling of 12210202021201 in words is "twelve trillion, two hundred ten billion, two hundred two million, twenty-one thousand, two hundred one".
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