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12200112222120 = 23325377915773847
BaseRepresentation
bin1011000110001000111101…
…0110101110111110101000
31121012022121210112021002200
42301202033112232332220
53044341312212101440
641540353145300200
72366300103564504
oct261421726567650
947168553467080
1012200112222120
113984047325159
121450568a94660
136a6609041684
143026ba953304
15162546160c30
hexb188f5aefa8

12200112222120 has 384 divisors, whose sum is σ = 41500685491200. Its totient is φ = 3105416890368.

The previous prime is 12200112222073. The next prime is 12200112222161. The reversal of 12200112222120 is 2122221100221.

It is a happy number.

12200112222120 is a `hidden beast` number, since 1 + 220 + 0 + 11 + 222 + 212 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12200112222093 and 12200112222102.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 165171037 + ... + 165244883.

It is an arithmetic number, because the mean of its divisors is an integer number (108074701800).

Almost surely, 212200112222120 is an apocalyptic number.

12200112222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12200112222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20750342745600).

12200112222120 is an abundant number, since it is smaller than the sum of its proper divisors (29300573269080).

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

12200112222120 is a wasteful number, since it uses less digits than its factorization.

12200112222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74137 (or 74130 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12200112222120 its reverse (2122221100221), we get a palindrome (14322333322341).

The spelling of 12200112222120 in words is "twelve trillion, two hundred billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty".