Base | Representation |
---|---|
bin | 10110101111100100… |
… | …10000110101110011 |
3 | 1011111221200001021220 |
4 | 23113302100311303 |
5 | 200001303242321 |
6 | 5335335120123 |
7 | 611403043221 |
oct | 132762206563 |
9 | 34457601256 |
10 | 12210212211 |
11 | 51a638a17a |
12 | 2449213043 |
13 | 11c7886152 |
14 | 83b8dbb11 |
15 | 4b6e459c6 |
hex | 2d7c90d73 |
12210212211 has 8 divisors (see below), whose sum is σ = 16324644864. Its totient is φ = 8117960520.
The previous prime is 12210212197. The next prime is 12210212227. The reversal of 12210212211 is 11221201221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12210212211 - 27 = 12210212083 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12210212111) 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 7 ways as a sum of consecutive naturals, for example, 5543955 + ... + 5546156.
It is an arithmetic number, because the mean of its divisors is an integer number (2040580608).
Almost surely, 212210212211 is an apocalyptic number.
12210212211 is a deficient number, since it is larger than the sum of its proper divisors (4114432653).
12210212211 is a wasteful number, since it uses less digits than its factorization.
12210212211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11090481.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12210212211 its reverse (11221201221), we get a palindrome (23431413432).
The spelling of 12210212211 in words is "twelve billion, two hundred ten million, two hundred twelve thousand, two hundred eleven".
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