Base | Representation |
---|---|
bin | 1011000111010111001110… |
… | …0001011011111001110001 |
3 | 1121021022211212120010121220 |
4 | 2301311303201123321301 |
5 | 3100212323221231001 |
6 | 41554145521135253 |
7 | 2400642514611636 |
oct | 261656341337161 |
9 | 47238755503556 |
10 | 12221120102001 |
11 | 3991a4776a258 |
12 | 145465048a529 |
13 | 6a85a6485025 |
14 | 303710a3818d |
15 | 162d75617c36 |
hex | b1d7385be71 |
12221120102001 has 16 divisors (see below), whose sum is σ = 16518599734464. Its totient is φ = 8035534450944.
The previous prime is 12221120101969. The next prime is 12221120102021. The reversal of 12221120102001 is 10020102112221.
It is not a de Polignac number, because 12221120102001 - 25 = 12221120101969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12221120102021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5686645 + ... + 7535261.
It is an arithmetic number, because the mean of its divisors is an integer number (1032412483404).
Almost surely, 212221120102001 is an apocalyptic number.
It is an amenable number.
12221120102001 is a deficient number, since it is larger than the sum of its proper divisors (4297479632463).
12221120102001 is a wasteful number, since it uses less digits than its factorization.
12221120102001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1878880.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12221120102001 its reverse (10020102112221), we get a palindrome (22241222214222).
The spelling of 12221120102001 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, one hundred two thousand, one".
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