Search a number
-
+
1012120223 is a prime number
BaseRepresentation
bin111100010100111…
…011101010011111
32121112111000221012
4330110323222133
54033100321343
6244233125435
734036610552
oct7424735237
92545430835
101012120223
1147a3519a4
12242b5987b
131318c1b0a
14985c4699
155dcc7718
hex3c53ba9f

1012120223 has 2 divisors, whose sum is σ = 1012120224. Its totient is φ = 1012120222.

The previous prime is 1012120217. The next prime is 1012120247. The reversal of 1012120223 is 3220212101.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3220212101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012120223 - 26 = 1012120159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012120198 and 1012120207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012120273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060111 + 506060112.

It is an arithmetic number, because the mean of its divisors is an integer number (506060112).

Almost surely, 21012120223 is an apocalyptic number.

1012120223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012120223 is an equidigital number, since it uses as much as digits as its factorization.

1012120223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012120223 is about 31813.8369738703. The cubic root of 1012120223 is about 1004.0238611573.

Adding to 1012120223 its reverse (3220212101), we get a palindrome (4232332324).

The spelling of 1012120223 in words is "one billion, twelve million, one hundred twenty thousand, two hundred twenty-three".