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12200111101020 = 223519371092653571
BaseRepresentation
bin1011000110001000111101…
…0010011101010001011100
31121012022121201102022020110
42301202033102131101130
53044341311420213040
641540353105250020
72366300061215133
oct261421722352134
947168551368213
1012200111101020
113984046729927
121450568633910
136a6608a3b2bb
143026ba74091a
15162545edd980
hexb188f49d45c

12200111101020 has 192 divisors, whose sum is σ = 37268888025600. Its totient is φ = 2971319086080.

The previous prime is 12200111100929. The next prime is 12200111101051. The reversal of 12200111101020 is 2010111100221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12200111100987 and 12200111101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3270835 + ... + 5924405.

It is an arithmetic number, because the mean of its divisors is an integer number (194108791800).

Almost surely, 212200111101020 is an apocalyptic number.

12200111101020 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 12200111101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18634444012800).

12200111101020 is an abundant number, since it is smaller than the sum of its proper divisors (25068776924580).

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

12200111101020 is a wasteful number, since it uses less digits than its factorization.

12200111101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653748 (or 2653746 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12200111101020 its reverse (2010111100221), we get a palindrome (14210222201241).

The spelling of 12200111101020 in words is "twelve trillion, two hundred billion, one hundred eleven million, one hundred one thousand, twenty".