Search a number
-
+
12230120212 = 2217179854709
BaseRepresentation
bin10110110001111100…
…01101001100010100
31011120100010110221021
423120332031030110
5200021402321322
65341325530524
7612034210102
oct133076151424
934510113837
1012230120212
115206647372
122453a13a44
1311cba3672b
14840400c72
154b8a794c7
hex2d8f8d314

12230120212 has 12 divisors (see below), whose sum is σ = 22661693460. Its totient is φ = 5755350656.

The previous prime is 12230120191. The next prime is 12230120233. The reversal of 12230120212 is 21202103221.

It is a happy number.

12230120212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12230120191) and next prime (12230120233).

It can be written as a sum of positive squares in 2 ways, for example, as 6855177616 + 5374942596 = 82796^2 + 73314^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89927287 + ... + 89927422.

It is an arithmetic number, because the mean of its divisors is an integer number (1888474455).

Almost surely, 212230120212 is an apocalyptic number.

It is an amenable number.

12230120212 is a deficient number, since it is larger than the sum of its proper divisors (10431573248).

12230120212 is a wasteful number, since it uses less digits than its factorization.

12230120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179854730 (or 179854728 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12230120212 its reverse (21202103221), we get a palindrome (33432223433).

The spelling of 12230120212 in words is "twelve billion, two hundred thirty million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 179854709 359709418 719418836 3057530053 6115060106 12230120212