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12200001012000 = 253253839414339
BaseRepresentation
bin1011000110001000100010…
…1110100000000100100000
31121012022100001021012111100
42301202020232200010200
53044341100224341000
641540334133514400
72366264253402654
oct261421056400440
947168301235440
1012200001012000
113983a9a57736a
1214505377a2a00
136a65bbca4579
143026a9c84a64
1516253b4e4a00
hexb1888ba0120

12200001012000 has 576 divisors, whose sum is σ = 43876140497280. Its totient is φ = 3209981184000.

The previous prime is 12200001011987. The next prime is 12200001012011. The reversal of 12200001012000 is 21010000221.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 2811705831 + ... + 2811710169.

It is an arithmetic number, because the mean of its divisors is an integer number (76173855030).

Almost surely, 212200001012000 is an apocalyptic number.

12200001012000 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 12200001012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21938070248640).

12200001012000 is an abundant number, since it is smaller than the sum of its proper divisors (31676139485280).

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

12200001012000 is a wasteful number, since it uses less digits than its factorization.

12200001012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12200001012000 its reverse (21010000221), we get a palindrome (12221011012221).

The spelling of 12200001012000 in words is "twelve trillion, two hundred billion, one million, twelve thousand".