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12010112202220 = 2251154591419101
BaseRepresentation
bin1010111011000101001001…
…1110001011010111101100
31120112011012100222012102121
42232301102132023113230
53033233202210432340
641313211441402324
72346462530220436
oct256612236132754
946464170865377
1012010112202220
113910507265020
12141b7823393a4
136917197038b2
142d74149cb656
1515c625a9394a
hexaec5278b5ec

12010112202220 has 24 divisors (see below), whose sum is σ = 27514075227408. Its totient is φ = 4367313528000.

The previous prime is 12010112202199. The next prime is 12010112202251. The reversal of 12010112202220 is 2220221101021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12010112202194 and 12010112202203.

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, 27295709331 + ... + 27295709770.

It is an arithmetic number, because the mean of its divisors is an integer number (1146419801142).

Almost surely, 212010112202220 is an apocalyptic number.

12010112202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010112202220 is an abundant number, since it is smaller than the sum of its proper divisors (15503963025188).

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

12010112202220 is a wasteful number, since it uses less digits than its factorization.

12010112202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54591419121 (or 54591419119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12010112202220 its reverse (2220221101021), we get a palindrome (14230333303241).

It can be divided in two parts, 120101 and 12202220, that added together give a palindrome (12322321).

The spelling of 12010112202220 in words is "twelve trillion, ten billion, one hundred twelve million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 54591419101 109182838202 218365676404 272957095505 545914191010 600505610111 1091828382020 1201011220222 2402022440444 3002528050555 6005056101110 12010112202220