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12210221210 = 2511290338237
BaseRepresentation
bin10110101111100100…
…10011000010011010
31011111221200111122012
423113302103002122
5200001304034320
65335335225522
7611403111365
oct132762230232
934457614565
1012210221210
1151a6395a10
1224492182a2
1311c788a285
1483b9010dc
154b6e484c5
hex2d7c9309a

12210221210 has 32 divisors (see below), whose sum is σ = 23985320832. Its totient is φ = 4438434880.

The previous prime is 12210221201. The next prime is 12210221251. The reversal of 12210221210 is 1212201221.

12210221210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 300212 + ... + 338448.

It is an arithmetic number, because the mean of its divisors is an integer number (749541276).

Almost surely, 212210221210 is an apocalyptic number.

12210221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210221210 is a deficient number, since it is larger than the sum of its proper divisors (11775099622).

12210221210 is a wasteful number, since it uses less digits than its factorization.

12210221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41158.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12210221210 its reverse (1212201221), we get a palindrome (13422422431).

The spelling of 12210221210 in words is "twelve billion, two hundred ten million, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 2903 5806 14515 29030 31933 38237 63866 76474 159665 191185 319330 382370 420607 841214 2103035 4206070 111002011 222004022 555010055 1110020110 1221022121 2442044242 6105110605 12210221210