Base | Representation |
---|---|
bin | 110000010000000101110101… |
… | …100110101101111111101001 |
3 | 1000211101021022000002110012110 |
4 | 300100011311212231333221 |
5 | 210303340200111242301 |
6 | 2031200504053032533 |
7 | 62461545330363051 |
oct | 6020056546557751 |
9 | 1024337260073173 |
10 | 212212012212201 |
11 | 616876775a1151 |
12 | 1b974139625749 |
13 | 9154678819bb1 |
14 | 3a5918aba0561 |
15 | 19801c4cb80d6 |
hex | c101759adfe9 |
212212012212201 has 32 divisors (see below), whose sum is σ = 284906168426880. Its totient is φ = 140498563392000.
The previous prime is 212212012212199. The next prime is 212212012212217. The reversal of 212212012212201 is 102212210212212.
It is not a de Polignac number, because 212212012212201 - 21 = 212212012212199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212212012012201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1144715845 + ... + 1144901213.
It is an arithmetic number, because the mean of its divisors is an integer number (8903317763340).
Almost surely, 2212212012212201 is an apocalyptic number.
It is an amenable number.
212212012212201 is a deficient number, since it is larger than the sum of its proper divisors (72694156214679).
212212012212201 is a wasteful number, since it uses less digits than its factorization.
212212012212201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188457.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 212212012212201 its reverse (102212210212212), we get a palindrome (314424222424413).
The spelling of 212212012212201 in words is "two hundred twelve trillion, two hundred twelve billion, twelve million, two hundred twelve thousand, two hundred one".
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