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122202122101220 = 22574678707214667
BaseRepresentation
bin11011110010010001100110…
…000101000010000111100100
3121000200102001000000111000102
4123302101212011002013210
5112004124421224214340
61111522514020003232
734511545335203240
oct3362214605020744
9530612030014012
10122202122101220
1135a346a113a257
121185770b530518
1353257c28389b5
1422268857a1420
15e1db57038215
hex6f24661421e4

122202122101220 has 96 divisors (see below), whose sum is σ = 293948237786112. Its totient is φ = 41803156960128.

The previous prime is 122202122101207. The next prime is 122202122101273. The reversal of 122202122101220 is 22101221202221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122202122101192 and 122202122101201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569156327 + ... + 569370993.

It is an arithmetic number, because the mean of its divisors is an integer number (3061960810272).

Almost surely, 2122202122101220 is an apocalyptic number.

122202122101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202122101220 is an abundant number, since it is smaller than the sum of its proper divisors (171746115684892).

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

122202122101220 is a wasteful number, since it uses less digits than its factorization.

122202122101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223857 (or 223855 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122202122101220 its reverse (22101221202221), we get a palindrome (144303343303441).

The spelling of 122202122101220 in words is "one hundred twenty-two trillion, two hundred two billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 467 934 1868 2335 3269 4670 6538 8707 9340 13076 16345 17414 32690 34828 43535 60949 65380 87070 121898 174140 214667 243796 304745 429334 609490 858668 1073335 1218980 1502669 2146670 3005338 4066169 4293340 6010676 7513345 8132338 15026690 16264676 20330845 28463183 30053380 40661690 56926366 81323380 100249489 113852732 142315915 200498978 284631830 400997956 501247445 569263660 701746423 1002494890 1403492846 1869105569 2004989780 2806985692 3508732115 3738211138 7017464230 7476422276 9345527845 13083738983 14034928460 18691055690 26167477966 37382111380 52334955932 65418694915 130837389830 261674779660 872872300723 1745744601446 3491489202892 4364361503615 6110106105061 8728723007230 12220212210122 17457446014460 24440424420244 30550530525305 61101061050610 122202122101220