Search a number
-
+
1210012229 is a prime number
BaseRepresentation
bin100100000011111…
…0101001001000101
310010022211222201202
41020013311021011
54434230342404
6320022432245
741661635306
oct11007651105
93108758652
101210012229
11571025108
12299292685
131638bb78a
14b69b87ad
157136721e
hex481f5245

1210012229 has 2 divisors, whose sum is σ = 1210012230. Its totient is φ = 1210012228.

The previous prime is 1210012187. The next prime is 1210012253. The reversal of 1210012229 is 9222100121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 889530625 + 320481604 = 29825^2 + 17902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210012229 - 28 = 1210011973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210012229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210012289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605006114 + 605006115.

It is an arithmetic number, because the mean of its divisors is an integer number (605006115).

Almost surely, 21210012229 is an apocalyptic number.

It is an amenable number.

1210012229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210012229 is an equidigital number, since it uses as much as digits as its factorization.

1210012229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1210012229 is about 34785.2300409240. The cubic root of 1210012229 is about 1065.6058266305.

The spelling of 1210012229 in words is "one billion, two hundred ten million, twelve thousand, two hundred twenty-nine".