Search a number
-
+
12221210000201 is a prime number
BaseRepresentation
bin1011000111010111100011…
…1000010111101101001001
31121021100002010201102202212
42301311320320113231021
53100213014230001301
641554202452034505
72400644656001546
oct261657070275511
947240063642685
1012221210000201
113991a93491094
121454676602a35
136a85bbc9c827
1430371c959bcd
15162d7d4744bb
hexb1d78e17b49

12221210000201 has 2 divisors, whose sum is σ = 12221210000202. Its totient is φ = 12221210000200.

The previous prime is 12221210000191. The next prime is 12221210000261. The reversal of 12221210000201 is 10200001212221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8631985024576 + 3589224975625 = 2938024^2 + 1894525^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221210000201 - 26 = 12221210000137 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221210000261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110605000100 + 6110605000101.

It is an arithmetic number, because the mean of its divisors is an integer number (6110605000101).

Almost surely, 212221210000201 is an apocalyptic number.

It is an amenable number.

12221210000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221210000201 is an equidigital number, since it uses as much as digits as its factorization.

12221210000201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221210000201 its reverse (10200001212221), we get a palindrome (22421211212422).

The spelling of 12221210000201 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, two hundred one", and thus it is an aban number.