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12221212210010 = 2529183123015899
BaseRepresentation
bin1011000111010111100100…
…0000110011001101011010
31121021100002021212201001122
42301311321000303031122
53100213020311210020
641554203011245242
72400645013534256
oct261657100631532
947240067781048
1012221212210010
113991a94760381
1214546772a9822
136a85bc5945cb
1430371cd73266
15162d7d75e125
hexb1d7903335a

12221212210010 has 32 divisors (see below), whose sum is σ = 22769169552000. Its totient is φ = 4717338454080.

The previous prime is 12221212209893. The next prime is 12221212210061. The reversal of 12221212210010 is 1001221212221.

12221212210010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10976960 + ... + 12038939.

It is an arithmetic number, because the mean of its divisors is an integer number (711536548500).

Almost surely, 212221212210010 is an apocalyptic number.

12221212210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221212210010 is a deficient number, since it is larger than the sum of its proper divisors (10547957341990).

12221212210010 is a wasteful number, since it uses less digits than its factorization.

12221212210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23017766.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221212210010 its reverse (1001221212221), we get a palindrome (13222433422231).

The spelling of 12221212210010 in words is "twelve trillion, two hundred twenty-one billion, two hundred twelve million, two hundred ten thousand, ten".

Divisors: 1 2 5 10 29 58 145 290 1831 3662 9155 18310 53099 106198 265495 530990 23015899 46031798 115079495 230158990 667461071 1334922142 3337305355 6674610710 42142111069 84284222138 210710555345 421421110690 1222121221001 2444242442002 6110606105005 12221212210010