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12110100120220 = 2252394795289131
BaseRepresentation
bin1011000000111001101000…
…1101110100001010011100
31120212201021200212201021211
42300032122031310022130
53041402441112321340
641431145253434204
72356632366415444
oct260163215641234
946781250781254
1012110100120220
1139499568987a3
12143702803b964
1369ac92872c0b
142dc1bc1c5124
15160028be35ea
hexb039a37429c

12110100120220 has 48 divisors (see below), whose sum is σ = 25590936268800. Its totient is φ = 4813700682560.

The previous prime is 12110100120211. The next prime is 12110100120227. The reversal of 12110100120220 is 2202100101121.

It is a self number, because there is not a number n which added to its sum of digits gives 12110100120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110100120227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354946 + ... + 4934185.

It is an arithmetic number, because the mean of its divisors is an integer number (533144505600).

Almost surely, 212110100120220 is an apocalyptic number.

12110100120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110100120220 is an abundant number, since it is smaller than the sum of its proper divisors (13480836148580).

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

12110100120220 is a wasteful number, since it uses less digits than its factorization.

12110100120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289858 (or 5289856 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12110100120220 its reverse (2202100101121), we get a palindrome (14312200221341).

The spelling of 12110100120220 in words is "twelve trillion, one hundred ten billion, one hundred million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 239 478 479 956 958 1195 1916 2390 2395 4780 4790 9580 114481 228962 457924 572405 1144810 2289620 5289131 10578262 21156524 26445655 52891310 105782620 1264102309 2528204618 2533493749 5056409236 5066987498 6320511545 10133974996 12641023090 12667468745 25282046180 25334937490 50669874980 605505006011 1211010012022 2422020024044 3027525030055 6055050060110 12110100120220