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12012302020200 = 2335220020503367
BaseRepresentation
bin1010111011001101010011…
…1111101010111001101000
31120112100211222111110222020
42232303110333222321220
53033302143304121300
641314213025024440
72346601020321426
oct256632477527150
946470758443866
1012012302020200
11391143036a749
121420093785120
136919a82ab891
142d7581778116
1515c702e4d8a0
hexaecd4feae68

12012302020200 has 48 divisors (see below), whose sum is σ = 37238136264480. Its totient is φ = 3203280538560.

The previous prime is 12012302020193. The next prime is 12012302020231. The reversal of 12012302020200 is 202020321021.

It is a happy number.

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 12012302020200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10010251084 + ... + 10010252283.

It is an arithmetic number, because the mean of its divisors is an integer number (775794505510).

Almost surely, 212012302020200 is an apocalyptic number.

12012302020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012302020200 is an abundant number, since it is smaller than the sum of its proper divisors (25225834244280).

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

12012302020200 is a wasteful number, since it uses less digits than its factorization.

12012302020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020503386 (or 20020503377 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12012302020200 its reverse (202020321021), we get a palindrome (12214322341221).

The spelling of 12012302020200 in words is "twelve trillion, twelve billion, three hundred two million, twenty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 20020503367 40041006734 60061510101 80082013468 100102516835 120123020202 160164026936 200205033670 240246040404 300307550505 400410067340 480492080808 500512584175 600615101010 800820134680 1001025168350 1201230202020 1501537752525 2002050336700 2402460404040 3003075505050 4004100673400 6006151010100 12012302020200