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12002112202220 = 225785729372873
BaseRepresentation
bin1010111010100111010110…
…1000100110010111101100
31120111101112211120002112022
42232221311220212113230
53033120311210432340
641305405541525312
72346060346310330
oct256516550462754
946441484502468
1012002112202220
113908081497678
12141a10b113838
13690a4319079a
142d6c963237c0
1515c3085983b5
hexaea75a265ec

12002112202220 has 24 divisors (see below), whose sum is σ = 28805069285664. Its totient is φ = 4115009897856.

The previous prime is 12002112202177. The next prime is 12002112202229. The reversal of 12002112202220 is 2220221120021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12002112202229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42864686297 + ... + 42864686576.

It is an arithmetic number, because the mean of its divisors is an integer number (1200211220236).

Almost surely, 212002112202220 is an apocalyptic number.

12002112202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002112202220 is an abundant number, since it is smaller than the sum of its proper divisors (16802957083444).

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

12002112202220 is a wasteful number, since it uses less digits than its factorization.

12002112202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85729372889 (or 85729372887 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002112202220 its reverse (2220221120021), we get a palindrome (14222333322241).

The spelling of 12002112202220 in words is "twelve trillion, two billion, one hundred twelve million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 85729372873 171458745746 342917491492 428646864365 600105610111 857293728730 1200211220222 1714587457460 2400422440444 3000528050555 6001056101110 12002112202220