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12102110112200 = 23521929331331781
BaseRepresentation
bin1011000000011011110111…
…1110010110100111001000
31120211221122212021020210212
42300012331332112213020
53041240110142042300
641423344352100252
72356230366442433
oct260067576264710
946757585236725
1012102110112200
113946526725489
121435578234688
1369a2bb41ab14
142dba60d9c81a
1515ec0c51d935
hexb01bdf969c8

12102110112200 has 192 divisors, whose sum is σ = 30732303096000. Its totient is φ = 4414531968000.

The previous prime is 12102110112187. The next prime is 12102110112289. The reversal of 12102110112200 is 221101120121.

It is a super-2 number, since 2×121021101122002 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36310310 + ... + 36642090.

It is an arithmetic number, because the mean of its divisors is an integer number (160064078625).

Almost surely, 212102110112200 is an apocalyptic number.

12102110112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102110112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15366151548000).

12102110112200 is an abundant number, since it is smaller than the sum of its proper divisors (18630192983800).

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

12102110112200 is a wasteful number, since it uses less digits than its factorization.

12102110112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332176 (or 332167 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12102110112200 its reverse (221101120121), we get a palindrome (12323211232321).

The spelling of 12102110112200 in words is "twelve trillion, one hundred two billion, one hundred ten million, one hundred twelve thousand, two hundred".