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12022110 = 2325312139
BaseRepresentation
bin101101110111…
…000101011110
3211121210020100
4231313011132
511034201420
61105401530
7204120612
oct55670536
924553210
1012022110
116871431
1240392a6
13264c099
14184d342
1510c7190
hexb7715e

12022110 has 72 divisors (see below), whose sum is σ = 32530680. Its totient is φ = 3080160.

The previous prime is 12022103. The next prime is 12022133. The reversal of 12022110 is 1122021.

It is a super-2 number, since 2×120221102 = 289062257704200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12022092 and 12022101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 86421 + ... + 86559.

It is an arithmetic number, because the mean of its divisors is an integer number (451815).

Almost surely, 212022110 is an apocalyptic number.

12022110 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 12022110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16265340).

12022110 is an abundant number, since it is smaller than the sum of its proper divisors (20508570).

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

12022110 is a wasteful number, since it uses less digits than its factorization.

12022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 12022110 is about 3467.2914501091. The cubic root of 12022110 is about 229.0833713077.

Adding to 12022110 its reverse (1122021), we get a palindrome (13144131).

The spelling of 12022110 in words is "twelve million, twenty-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 139 155 186 278 279 310 417 465 558 695 834 930 961 1251 1390 1395 1922 2085 2502 2790 2883 4170 4309 4805 5766 6255 8618 8649 9610 12510 12927 14415 17298 21545 25854 28830 38781 43090 43245 64635 77562 86490 129270 133579 193905 267158 387810 400737 667895 801474 1202211 1335790 2003685 2404422 4007370 6011055 12022110