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12221000110 = 2511313583871
BaseRepresentation
bin10110110000110110…
…11010100110101110
31011112200222010111201
423120123122212232
5200012034000420
65340402240114
7611563533634
oct133033324656
934480863451
1012221000110
1152014882a0
12245095603a
1311c9b92517
1483d109354
154b7d7710a
hex2d86da9ae

12221000110 has 32 divisors (see below), whose sum is σ = 24771723264. Its totient is φ = 4300644000.

The previous prime is 12221000081. The next prime is 12221000111. The reversal of 12221000110 is 1100012221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221000111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1788526 + ... + 1795345.

It is an arithmetic number, because the mean of its divisors is an integer number (774116352).

Almost surely, 212221000110 is an apocalyptic number.

12221000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221000110 is an abundant number, since it is smaller than the sum of its proper divisors (12550723154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221000110 is a wasteful number, since it uses less digits than its factorization.

12221000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583920.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12221000110 its reverse (1100012221), we get a palindrome (13321012331).

It can be divided in two parts, 12 and 221000110, that added together give a palindrome (221000122).

The spelling of 12221000110 in words is "twelve billion, two hundred twenty-one million, one hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 3583871 7167742 17919355 35838710 39422581 78845162 111100001 197112905 222200002 394225810 555500005 1111000010 1222100011 2444200022 6110500055 12221000110