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12220022210 = 2511111091111
BaseRepresentation
bin10110110000101111…
…01011110111000010
31011112122010110002012
423120113223313002
5200011311202320
65340325252522
7611552321624
oct133027536702
934478113065
1012220022210
11520097a610
122450564142
1311c990c396
1483cd32c14
154b7c324c5
hex2d85ebdc2

12220022210 has 16 divisors (see below), whose sum is σ = 23995680192. Its totient is φ = 4443644400.

The previous prime is 12220022203. The next prime is 12220022237. The reversal of 12220022210 is 1222002221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55545446 + ... + 55545665.

It is an arithmetic number, because the mean of its divisors is an integer number (1499730012).

Almost surely, 212220022210 is an apocalyptic number.

12220022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220022210 is a deficient number, since it is larger than the sum of its proper divisors (11775657982).

12220022210 is a wasteful number, since it uses less digits than its factorization.

12220022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111091129.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12220022210 its reverse (1222002221), we get a palindrome (13442024431).

The spelling of 12220022210 in words is "twelve billion, two hundred twenty million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 111091111 222182222 555455555 1110911110 1222002221 2444004442 6110011105 12220022210