Search a number
-
+
12230221100 = 2252122302211
BaseRepresentation
bin10110110001111101…
…00101110100101100
31011120100022121022212
423120332211310230
5200021414033400
65341332025552
7612035110166
oct133076456454
934510277285
1012230221100
115206706149
122453a622b8
1311cba70626
14840429936
154b8a99335
hex2d8fa5d2c

12230221100 has 18 divisors (see below), whose sum is σ = 26539580004. Its totient is φ = 4892088400.

The previous prime is 12230221033. The next prime is 12230221103. The reversal of 12230221100 is 112203221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12230221103) 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 in 5 ways as a sum of consecutive naturals, for example, 61151006 + ... + 61151205.

Almost surely, 212230221100 is an apocalyptic number.

12230221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230221100 is an abundant number, since it is smaller than the sum of its proper divisors (14309358904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12230221100 is a wasteful number, since it uses less digits than its factorization.

12230221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122302225 (or 122302218 counting only the distinct ones).

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

Adding to 12230221100 its reverse (112203221), we get a palindrome (12342424321).

The spelling of 12230221100 in words is "twelve billion, two hundred thirty million, two hundred twenty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 122302211 244604422 489208844 611511055 1223022110 2446044220 3057555275 6115110550 12230221100