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12211000201200 = 2435241793141659
BaseRepresentation
bin1011000110110001100001…
…0101000100111111110000
31121020100201121011220112010
42301230120111010333300
53100031112022414300
641545353412402520
72400133653100653
oct261543025047760
947210647156463
1012211000201200
113988724300a79
1214526a7316440
136a76529a6b48
143030309c389a
15162981e73a50
hexb1b18544ff0

12211000201200 has 240 divisors, whose sum is σ = 40577177894400. Its totient is φ = 3136631347200.

The previous prime is 12211000201171. The next prime is 12211000201219. The reversal of 12211000201200 is 210200011221.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2315971 + ... + 5457629.

It is an arithmetic number, because the mean of its divisors is an integer number (169071574560).

Almost surely, 212211000201200 is an apocalyptic number.

12211000201200 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 12211000201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20288588947200).

12211000201200 is an abundant number, since it is smaller than the sum of its proper divisors (28366177693200).

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

12211000201200 is a wasteful number, since it uses less digits than its factorization.

12211000201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141800 (or 3141789 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12211000201200 its reverse (210200011221), we get a palindrome (12421200212421).

The spelling of 12211000201200 in words is "twelve trillion, two hundred eleven billion, two hundred one thousand, two hundred".