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12222223321110 = 23511292372115641
BaseRepresentation
bin1011000111011011010101…
…0001111000100000010110
31121021102200202110110201220
42301312311101320200112
53100222103132233420
641554451211031210
72401012042043115
oct261666521704026
947242622413656
1012222223321110
113992463483090
1214548b9a3b506
136a8720bc1cba
143037b7373c7c
15162ddc3d7840
hexb1db5478816

12222223321110 has 384 divisors, whose sum is σ = 34204593765888. Its totient is φ = 2769790464000.

The previous prime is 12222223321109. The next prime is 12222223321129. The reversal of 12222223321110 is 1112332222221.

It is a super-2 number, since 2×122222233211102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2166673890 + ... + 2166679530.

It is an arithmetic number, because the mean of its divisors is an integer number (89074462932).

Almost surely, 212222223321110 is an apocalyptic number.

12222223321110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222223321110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17102296882944).

12222223321110 is an abundant number, since it is smaller than the sum of its proper divisors (21982370444778).

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

12222223321110 is a wasteful number, since it uses less digits than its factorization.

12222223321110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968 (or 5939 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12222223321110 its reverse (1112332222221), we get a palindrome (13334555543331).

The spelling of 12222223321110 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-three million, three hundred twenty-one thousand, one hundred ten".