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12020012200220 = 2252236672687033
BaseRepresentation
bin1010111011101010000010…
…0011101011000100011100
31120120002202022120012121012
42232322200203223010130
53033413441110401340
641321530052554352
72350263051631403
oct256724043530434
946502668505535
1012020012200220
113914727587052
1214216859229b8
1369263677968b
142d7ab375c63a
1515ca04c9b565
hexaeea08eb11c

12020012200220 has 24 divisors (see below), whose sum is σ = 25242147869904. Its totient is φ = 4807981594496.

The previous prime is 12020012200201. The next prime is 12020012200303. The reversal of 12020012200220 is 2200221002021.

It is a junction number, because it is equal to n+sod(n) for n = 12020012200195 and 12020012200204.

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, 3129824 + ... + 5816856.

It is an arithmetic number, because the mean of its divisors is an integer number (1051756161246).

Almost surely, 212020012200220 is an apocalyptic number.

12020012200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020012200220 is an abundant number, since it is smaller than the sum of its proper divisors (13222135669684).

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

12020012200220 is a wasteful number, since it uses less digits than its factorization.

12020012200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910709 (or 2910707 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12020012200220 its reverse (2200221002021), we get a palindrome (14220233202241).

The spelling of 12020012200220 in words is "twelve trillion, twenty billion, twelve million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 223667 447334 894668 1118335 2236670 2687033 4473340 5374066 10748132 13435165 26870330 53740660 601000610011 1202001220022 2404002440044 3005003050055 6010006100110 12020012200220