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10012200201221 = 1723831190325919
BaseRepresentation
bin1001000110110010010110…
…1000101110110000000101
31022110011020110001200121212
42101230211220232300011
52303014441222414341
633143312525421205
72052233440344131
oct221544550566005
938404213050555
1010012200201221
113210171aa5849
12115852170a805
135781b9917aba
142688435823c1
1512569105c5eb
hex91b25a2ec05

10012200201221 has 32 divisors (see below), whose sum is σ = 11196723363840. Its totient is φ = 8903852303104.

The previous prime is 10012200201173. The next prime is 10012200201281. The reversal of 10012200201221 is 12210200221001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10012200201221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012200201196 and 10012200201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012200201281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386275100 + ... + 386301018.

It is an arithmetic number, because the mean of its divisors is an integer number (349897605120).

Almost surely, 210012200201221 is an apocalyptic number.

It is an amenable number.

10012200201221 is a deficient number, since it is larger than the sum of its proper divisors (1184523162619).

10012200201221 is a wasteful number, since it uses less digits than its factorization.

10012200201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37945.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012200201221 its reverse (12210200221001), we get a palindrome (22222400422222).

The spelling of 10012200201221 in words is "ten trillion, twelve billion, two hundred million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 17 23 83 391 1411 1909 11903 25919 32453 202351 273769 440623 596137 987949 2151277 4654073 10134329 16795133 22722827 36571709 49479371 308513857 386288059 841149307 5244735569 7095818711 25606650131 120628918087 435313052227 588952953013 10012200201221