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12122302236 = 2231129786069
BaseRepresentation
bin10110100101000101…
…11010011100011100
31011021211020202110220
423102202322130130
5144311302132421
65322515001340
7606254604012
oct132242723434
934254222426
1012122302236
1151607a6100
122423899250
1311b25b6605
1482dd768b2
154ae37d3c6
hex2d28ba71c

12122302236 has 72 divisors (see below), whose sum is σ = 31411418640. Its totient is φ = 3635512320.

The previous prime is 12122302223. The next prime is 12122302259. The reversal of 12122302236 is 63220322121.

12122302236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 97810 + ... + 183878.

Almost surely, 212122302236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122302236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15705709320).

12122302236 is an abundant number, since it is smaller than the sum of its proper divisors (19289116404).

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

12122302236 is a wasteful number, since it uses less digits than its factorization.

12122302236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86195 (or 86182 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12122302236 its reverse (63220322121), we get a palindrome (75342624357).

The spelling of 12122302236 in words is "twelve billion, one hundred twenty-two million, three hundred two thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 97 121 132 194 242 291 363 388 484 582 726 1067 1164 1452 2134 3201 4268 6402 11737 12804 23474 35211 46948 70422 86069 140844 172138 258207 344276 516414 946759 1032828 1893518 2840277 3787036 5680554 8348693 10414349 11361108 16697386 20828698 25046079 31243047 33394772 41657396 50092158 62486094 91835623 100184316 124972188 183671246 275506869 367342492 551013738 1010191853 1102027476 2020383706 3030575559 4040767412 6061151118 12122302236