Base | Representation |
---|---|
bin | 1011000110001001010111… |
… | …0110011100111010010101 |
3 | 1121012022220101120220200020 |
4 | 2301202111312130322111 |
5 | 3044342023111400041 |
6 | 41540412041135353 |
7 | 2366302566101361 |
oct | 261422566347225 |
9 | 47168811526606 |
10 | 12200221200021 |
11 | 39840a2898938 |
12 | 145059948a559 |
13 | 6a66257a973a |
14 | 3026cb2002a1 |
15 | 1625509da866 |
hex | b1895d9ce95 |
12200221200021 has 8 divisors (see below), whose sum is σ = 16266977738304. Its totient is φ = 8133472730880.
The previous prime is 12200221200019. The next prime is 12200221200029. The reversal of 12200221200021 is 12000212200221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12200221200021 - 21 = 12200221200019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200221200029) 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 7 ways as a sum of consecutive naturals, for example, 4861536 + ... + 6930726.
It is an arithmetic number, because the mean of its divisors is an integer number (2033372217288).
Almost surely, 212200221200021 is an apocalyptic number.
It is an amenable number.
12200221200021 is a deficient number, since it is larger than the sum of its proper divisors (4066756538283).
12200221200021 is a wasteful number, since it uses less digits than its factorization.
12200221200021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4034571.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12200221200021 its reverse (12000212200221), we get a palindrome (24200433400242).
The spelling of 12200221200021 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, two hundred thousand, twenty-one".
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