Base | Representation |
---|---|
bin | 10110010111101110… |
… | …10111000110110001 |
3 | 1011000000100111022002 |
4 | 23023313113012301 |
5 | 144044104101001 |
6 | 5303432423345 |
7 | 603424126331 |
oct | 131367270661 |
9 | 34000314262 |
10 | 12010222001 |
11 | 5103503608 |
12 | 23b2247b55 |
13 | 119530344b |
14 | 81d11d0c1 |
15 | 4a45de46b |
hex | 2cbdd71b1 |
12010222001 has 4 divisors (see below), whose sum is σ = 12052661232. Its totient is φ = 11967782772.
The previous prime is 12010221983. The next prime is 12010222013. The reversal of 12010222001 is 10022201021.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12010222001 - 214 = 12010205617 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12010222061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21219191 + ... + 21219756.
It is an arithmetic number, because the mean of its divisors is an integer number (3013165308).
Almost surely, 212010222001 is an apocalyptic number.
It is an amenable number.
12010222001 is a deficient number, since it is larger than the sum of its proper divisors (42439231).
12010222001 is an equidigital number, since it uses as much as digits as its factorization.
12010222001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42439230.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 12010222001 its reverse (10022201021), we get a palindrome (22032423022).
The spelling of 12010222001 in words is "twelve billion, ten million, two hundred twenty-two thousand, one".
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