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12221200222230 = 2354177702713879
BaseRepresentation
bin1011000111010111100001…
…0011000100100000010110
31121021100001110022122220210
42301311320103010200112
53100213004224102410
641554201502310250
72400644506615416
oct261657023044026
947240043278823
1012221200222230
113991a88a1281a
121454673288386
136a85b9c5804c
1430371b532646
15162d7c692220
hexb1d784c4816

12221200222230 has 64 divisors (see below), whose sum is σ = 29344191690240. Its totient is φ = 3257508109824.

The previous prime is 12221200222229. The next prime is 12221200222243. The reversal of 12221200222230 is 3222200212221.

It is a junction number, because it is equal to n+sod(n) for n = 12221200222197 and 12221200222206.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 880546431 + ... + 880560309.

It is an arithmetic number, because the mean of its divisors is an integer number (458502995160).

Almost surely, 212221200222230 is an apocalyptic number.

12221200222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221200222230 is an abundant number, since it is smaller than the sum of its proper divisors (17122991468010).

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

12221200222230 is a wasteful number, since it uses less digits than its factorization.

12221200222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25093.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12221200222230 its reverse (3222200212221), we get a palindrome (15443400434451).

The spelling of 12221200222230 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4177 7027 8354 12531 13879 14054 20885 21081 25062 27758 35135 41637 41770 42162 62655 69395 70270 83274 105405 125310 138790 208185 210810 416370 29351779 57972583 58703558 88055337 97527733 115945166 146758895 173917749 176110674 195055466 289862915 292583199 293517790 347835498 440276685 487638665 579725830 585166398 869588745 880553370 975277330 1462915995 1739177490 2925831990 407373340741 814746681482 1222120022223 2036866703705 2444240044446 4073733407410 6110600111115 12221200222230