Base | Representation |
---|---|
bin | 1011000110001001010111… |
… | …0110000100101111011101 |
3 | 1121012022220101101212212120 |
4 | 2301202111312010233131 |
5 | 3044342023100213041 |
6 | 41540412035053153 |
7 | 2366302565206632 |
oct | 261422566045735 |
9 | 47168811355776 |
10 | 12200221101021 |
11 | 39840a2830518 |
12 | 14505994411b9 |
13 | 6a6625773665 |
14 | 3026cb1b6189 |
15 | 1625509bb366 |
hex | b1895d84bdd |
12200221101021 has 16 divisors (see below), whose sum is σ = 16710779040384. Its totient is φ = 7911681683904.
The previous prime is 12200221101001. The next prime is 12200221101053. The reversal of 12200221101021 is 12010112200221.
It is not a de Polignac number, because 12200221101021 - 214 = 12200221084637 is a prime.
It is a super-2 number, since 2×122002211010212 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200221101001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13270210 + ... + 14159763.
It is an arithmetic number, because the mean of its divisors is an integer number (1044423690024).
Almost surely, 212200221101021 is an apocalyptic number.
It is an amenable number.
12200221101021 is a deficient number, since it is larger than the sum of its proper divisors (4510557939363).
12200221101021 is a wasteful number, since it uses less digits than its factorization.
12200221101021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27434020.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12200221101021 its reverse (12010112200221), we get a palindrome (24210333301242).
The spelling of 12200221101021 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred one thousand, twenty-one".
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