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12001111120210 = 257950393014741
BaseRepresentation
bin1010111010100011100111…
…1101110001100101010010
31120111021222001211212011211
42232220321331301211102
53033111233421321320
641305122341130334
72346023502252022
oct256507175614522
946437861755154
1012001111120210
1139077083a4973
121419a8b9b99aa
13690913964c74
142d6bdd3b3a82
1515c29a75155a
hexaea39f71952

12001111120210 has 32 divisors (see below), whose sum is σ = 21879791539200. Its totient is φ = 4738737157440.

The previous prime is 12001111120171. The next prime is 12001111120213. The reversal of 12001111120210 is 1202111110021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12001111120213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2473440 + ... + 5488180.

It is an arithmetic number, because the mean of its divisors is an integer number (683743485600).

Almost surely, 212001111120210 is an apocalyptic number.

12001111120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001111120210 is a deficient number, since it is larger than the sum of its proper divisors (9878680418990).

12001111120210 is a wasteful number, since it uses less digits than its factorization.

12001111120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019866.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12001111120210 its reverse (1202111110021), we get a palindrome (13203222230231).

The spelling of 12001111120210 in words is "twelve trillion, one billion, one hundred eleven million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 79 158 395 790 5039 10078 25195 50390 398081 796162 1990405 3014741 3980810 6029482 15073705 30147410 238164539 476329078 1190822695 2381645390 15191279899 30382559798 75956399495 151912798990 1200111112021 2400222224042 6000555560105 12001111120210