Search a number
-
+
12102111102230 = 2553200111141081
BaseRepresentation
bin1011000000011011111000…
…0010001000010100010110
31120211221122221010112212122
42300012332002020110112
53041240110420232410
641423344425215542
72356230411035012
oct260067602102426
946757587115778
1012102111102230
113946527241296
1214355786315b2
1369a2bb6a6636
142dba61179542
1515ec0c666e55
hexb01be088516

12102111102230 has 32 divisors (see below), whose sum is σ = 22195943660448. Its totient is φ = 4749266246400.

The previous prime is 12102111102223. The next prime is 12102111102241. The reversal of 12102111102230 is 3220111120121.

It is a happy number.

It is a super-2 number, since 2×121021111022302 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102111102199 and 12102111102208.

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 15 ways as a sum of consecutive naturals, for example, 10035290 + ... + 11176370.

It is an arithmetic number, because the mean of its divisors is an integer number (693623239389).

Almost surely, 212102111102230 is an apocalyptic number.

12102111102230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102111102230 is a deficient number, since it is larger than the sum of its proper divisors (10093832558218).

12102111102230 is a wasteful number, since it uses less digits than its factorization.

12102111102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161152.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12102111102230 its reverse (3220111120121), we get a palindrome (15322222222351).

The spelling of 12102111102230 in words is "twelve trillion, one hundred two billion, one hundred eleven million, one hundred two thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 20011 40022 100055 200110 1060583 1141081 2121166 2282162 5302915 5705405 10605830 11410810 60477293 120954586 302386465 604772930 22834171891 45668343782 114170859455 228341718910 1210211110223 2420422220446 6051055551115 12102111102230