Search a number
-
+
12221000201 = 43893193363
BaseRepresentation
bin10110110000110110…
…11010101000001001
31011112200222010122002
423120123122220021
5200012034001301
65340402240345
7611563534124
oct133033325011
934480863562
1012221000201
115201488373
1224509560b5
1311c9b92587
1483d1093bb
154b7d7716b
hex2d86daa09

12221000201 has 8 divisors (see below), whose sum is σ = 12645721440. Its totient is φ = 11802665952.

The previous prime is 12221000179. The next prime is 12221000219. The reversal of 12221000201 is 10200012221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12221000201 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 (12221000291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592855 + ... + 1600508.

It is an arithmetic number, because the mean of its divisors is an integer number (1580715180).

Almost surely, 212221000201 is an apocalyptic number.

It is an amenable number.

12221000201 is a deficient number, since it is larger than the sum of its proper divisors (424721239).

12221000201 is an equidigital number, since it uses as much as digits as its factorization.

12221000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193495.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12221000201 its reverse (10200012221), we get a palindrome (22421012422).

The spelling of 12221000201 in words is "twelve billion, two hundred twenty-one million, two hundred one", and thus it is an aban number.

Divisors: 1 43 89 3827 3193363 137314609 284209307 12221000201