Search a number
-
+
121023002213 is a prime number
BaseRepresentation
bin111000010110110001…
…0000111011001100101
3102120101022010111201022
41300231202013121211
53440323342032323
6131332554540525
711513030355101
oct1605542073145
9376338114638
10121023002213
11473643698a3
121b556437745
13b549119319
145c01160901
153234bcc4c8
hex1c2d887665

121023002213 has 2 divisors, whose sum is σ = 121023002214. Its totient is φ = 121023002212.

The previous prime is 121023002183. The next prime is 121023002279. The reversal of 121023002213 is 312200320121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64101631489 + 56921370724 = 253183^2 + 238582^2 .

It is a cyclic number.

It is not a de Polignac number, because 121023002213 - 210 = 121023001189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121023002191 and 121023002200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121023002413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511501106 + 60511501107.

It is an arithmetic number, because the mean of its divisors is an integer number (60511501107).

Almost surely, 2121023002213 is an apocalyptic number.

It is an amenable number.

121023002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

121023002213 is an equidigital number, since it uses as much as digits as its factorization.

121023002213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121023002213 its reverse (312200320121), we get a palindrome (433223322334).

The spelling of 121023002213 in words is "one hundred twenty-one billion, twenty-three million, two thousand, two hundred thirteen".