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20120012010200 = 2352139971908549
BaseRepresentation
bin1001001001100100011100…
…01010110011001011011000
32122020110021020020022001102
410210302032022303023120
510114121241033311300
6110443001140010532
74144423440205304
oct444621612631330
978213236208042
1020120012010200
116457938285643
12230b487390a48
13b2c402b1491b
144d7b5700cd04
1524d57ae100d5
hex124c8e2b32d8

20120012010200 has 48 divisors (see below), whose sum is σ = 46812466050000. Its totient is φ = 8042252008320.

The previous prime is 20120012010181. The next prime is 20120012010223. The reversal of 20120012010200 is 201021002102.

It is a happy number.

It is a congruent number.

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, 35674475 + ... + 36234074.

It is an arithmetic number, because the mean of its divisors is an integer number (975259709375).

Almost surely, 220120012010200 is an apocalyptic number.

20120012010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120012010200 is an abundant number, since it is smaller than the sum of its proper divisors (26692454039800).

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

20120012010200 is a wasteful number, since it uses less digits than its factorization.

20120012010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71909964 (or 71909955 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20120012010200 its reverse (201021002102), we get a palindrome (20321033012302).

The spelling of 20120012010200 in words is "twenty trillion, one hundred twenty billion, twelve million, ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1399 2798 5596 6995 11192 13990 27980 34975 55960 69950 139900 279800 71908549 143817098 287634196 359542745 575268392 719085490 1438170980 1797713725 2876341960 3595427450 7190854900 14381709800 100600060051 201200120102 402400240204 503000300255 804800480408 1006000600510 2012001201020 2515001501275 4024002402040 5030003002550 10060006005100 20120012010200