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12201322230 = 2325359377633
BaseRepresentation
bin10110101110100000…
…10110011011110110
31011111022221101112100
423113100112123312
5144442014302410
65334420402530
7611234346006
oct132720263366
934438841470
1012201322230
1151a1367a89
122446246446
1311c5a928c6
1483a666006
154b628b8c0
hex2d74166f6

12201322230 has 48 divisors (see below), whose sum is σ = 31811888160. Its totient is φ = 3244614144.

The previous prime is 12201322171. The next prime is 12201322261. The reversal of 12201322230 is 3222310221.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 156507 + ... + 221126.

It is an arithmetic number, because the mean of its divisors is an integer number (662747670).

Almost surely, 212201322230 is an apocalyptic number.

12201322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201322230 is an abundant number, since it is smaller than the sum of its proper divisors (19610565930).

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

12201322230 is a wasteful number, since it uses less digits than its factorization.

12201322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378005 (or 378002 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12201322230 its reverse (3222310221), we get a palindrome (15423632451).

The spelling of 12201322230 in words is "twelve billion, two hundred one million, three hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 359 718 1077 1795 2154 3231 3590 5385 6462 10770 16155 32310 377633 755266 1132899 1888165 2265798 3398697 3776330 5664495 6797394 11328990 16993485 33986970 135570247 271140494 406710741 677851235 813421482 1220132223 1355702470 2033553705 2440264446 4067107410 6100661115 12201322230