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12102303103200 = 253252671011391787
BaseRepresentation
bin1011000000011100100101…
…1110100011100011100000
31120211222011022102012200200
42300013021132203203200
53041241004043300300
641423415444345200
72356235232025422
oct260071136434340
946758138365620
1012102303103200
113946615660482
1214356109a5200
1369a31c3bca8b
142dba7c878812
1515ec1e441200
hexb01c97a38e0

12102303103200 has 864 divisors, whose sum is σ = 44080877393280. Its totient is φ = 3123242496000.

The previous prime is 12102303103153. The next prime is 12102303103213. The reversal of 12102303103200 is 230130320121.

12102303103200 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 2 + 30 + 310 + 320 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6772412707 + ... + 6772414493.

It is an arithmetic number, because the mean of its divisors is an integer number (51019534020).

Almost surely, 212102303103200 is an apocalyptic number.

12102303103200 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 12102303103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22040438696640).

12102303103200 is an abundant number, since it is smaller than the sum of its proper divisors (31978574290080).

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

12102303103200 is a wasteful number, since it uses less digits than its factorization.

12102303103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12102303103200 its reverse (230130320121), we get a palindrome (12332433423321).

The spelling of 12102303103200 in words is "twelve trillion, one hundred two billion, three hundred three million, one hundred three thousand, two hundred".