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12200021002012 = 2217709012530459
BaseRepresentation
bin1011000110001000100111…
…1010110000011100011100
31121012022101102212210122011
42301202021322300130130
53044341120334031022
641540340130201004
72366264615330614
oct261421172603434
947168342783564
1012200021002012
113983aaa890138
121450542423164
136a65c318328c
143026ac7a9a44
1516253d142977
hexb1889eb071c

12200021002012 has 24 divisors (see below), whose sum is σ = 22606249039920. Its totient is φ = 5741103110400.

The previous prime is 12200021001929. The next prime is 12200021002027. The reversal of 12200021002012 is 21020012000221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12200021001983 and 12200021002001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556039 + ... + 6086497.

It is an arithmetic number, because the mean of its divisors is an integer number (941927043330).

Almost surely, 212200021002012 is an apocalyptic number.

It is an amenable number.

12200021002012 is a deficient number, since it is larger than the sum of its proper divisors (10406228037908).

12200021002012 is a wasteful number, since it uses less digits than its factorization.

12200021002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601381 (or 2601379 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12200021002012 its reverse (21020012000221), we get a palindrome (33220033002233).

The spelling of 12200021002012 in words is "twelve trillion, two hundred billion, twenty-one million, two thousand, twelve".

Divisors: 1 2 4 17 34 68 70901 141802 283604 1205317 2410634 2530459 4821268 5060918 10121836 43017803 86035606 172071212 179412073559 358824147118 717648294236 3050005250503 6100010501006 12200021002012