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12000212221011 = 371907299653213
BaseRepresentation
bin1010111010100000010001…
…1000101111110001010011
31120111012122102102001021220
42232220010120233301103
53033102413312033021
641304453230420123
72345662305606450
oct256500430576123
946435572361256
1012000212221011
113907296a54673
12141987a961643
136907cc665651
142d6b55c62827
1515c246890cc6
hexaea0462fc53

12000212221011 has 16 divisors (see below), whose sum is σ = 18295626633984. Its totient is φ = 6853668264864.

The previous prime is 12000212221003. The next prime is 12000212221117. The reversal of 12000212221011 is 11012221200021.

It is not a de Polignac number, because 12000212221011 - 23 = 12000212221003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000212225011) 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, 149786560 + ... + 149866653.

It is an arithmetic number, because the mean of its divisors is an integer number (1143476664624).

Almost surely, 212000212221011 is an apocalyptic number.

12000212221011 is a deficient number, since it is larger than the sum of its proper divisors (6295414412973).

12000212221011 is a wasteful number, since it uses less digits than its factorization.

12000212221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299655130.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12000212221011 its reverse (11012221200021), we get a palindrome (23012433421032).

The spelling of 12000212221011 in words is "twelve trillion, two hundred twelve million, two hundred twenty-one thousand, eleven".

Divisors: 1 3 7 21 1907 5721 13349 40047 299653213 898959639 2097572491 6292717473 571438677191 1714316031573 4000070740337 12000212221011