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12200120212200 = 2335253478980111
BaseRepresentation
bin1011000110001000111111…
…0101001101101011101000
31121012022122100120012102120
42301202033311031223220
53044341321233242300
641540354032431240
72366300231523264
oct261421765155350
947168570505376
1012200120212200
113984050892228
12145056b6a8520
136a660a8ab42b
143026bba330a4
15162546bdd3a0
hexb188fd4dae8

12200120212200 has 192 divisors, whose sum is σ = 38542492051200. Its totient is φ = 3191274777600.

The previous prime is 12200120212187. The next prime is 12200120212207. The reversal of 12200120212200 is 221202100221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12200120212200.

It is not an unprimeable number, because it can be changed into a prime (12200120212207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152250145 + ... + 152330255.

It is an arithmetic number, because the mean of its divisors is an integer number (200742146100).

Almost surely, 212200120212200 is an apocalyptic number.

12200120212200 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 12200120212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19271246025600).

12200120212200 is an abundant number, since it is smaller than the sum of its proper divisors (26342371839000).

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

12200120212200 is a wasteful number, since it uses less digits than its factorization.

12200120212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84972 (or 84963 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12200120212200 its reverse (221202100221), we get a palindrome (12421322312421).

The spelling of 12200120212200 in words is "twelve trillion, two hundred billion, one hundred twenty million, two hundred twelve thousand, two hundred".