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12212201110220 = 2257912760860167
BaseRepresentation
bin1011000110110101111111…
…1010001011101011001100
31121020110211021220101222222
42301231133322023223030
53100041041441011340
641550112512154512
72400205504463306
oct261553772135314
947213737811888
1012212201110220
113989190178771
121452981538a38
136a77b4728cb7
143031062ac976
15162a025dd8b5
hexb1b5fe8bacc

12212201110220 has 48 divisors (see below), whose sum is σ = 26174741053440. Its totient is φ = 4785069691584.

The previous prime is 12212201110211. The next prime is 12212201110237. The reversal of 12212201110220 is 2201110221221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30229424 + ... + 30630743.

It is an arithmetic number, because the mean of its divisors is an integer number (545307105280).

Almost surely, 212212201110220 is an apocalyptic number.

12212201110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212201110220 is an abundant number, since it is smaller than the sum of its proper divisors (13962539943220).

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

12212201110220 is a wasteful number, since it uses less digits than its factorization.

12212201110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60860382 (or 60860380 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212201110220 its reverse (2201110221221), we get a palindrome (14413311331441).

The spelling of 12212201110220 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 79 127 158 254 316 395 508 635 790 1270 1580 2540 10033 20066 40132 50165 100330 200660 60860167 121720334 243440668 304300835 608601670 1217203340 4807953193 7729241209 9615906386 15458482418 19231812772 24039765965 30916964836 38646206045 48079531930 77292412090 96159063860 154584824180 610610055511 1221220111022 2442440222044 3053050277555 6106100555110 12212201110220