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12002212012220 = 225600110600611
BaseRepresentation
bin1010111010100111101110…
…0101010110000010111100
31120111101210210100222002222
42232221323211112002330
53033121012233342340
641305423505104512
72346063000551513
oct256517345260274
946441723328088
1012002212012220
113908122869381
12141a138628138
13690a5aa68961
142d6ca56a567a
1515c3122118b5
hexaea7b9560bc

12002212012220 has 12 divisors (see below), whose sum is σ = 25204645225704. Its totient is φ = 4800884804880.

The previous prime is 12002212012201. The next prime is 12002212012247. The reversal of 12002212012220 is 2221021220021.

It is a happy number.

It is a super-2 number, since 2×120022120122202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300055300286 + ... + 300055300325.

It is an arithmetic number, because the mean of its divisors is an integer number (2100387102142).

Almost surely, 212002212012220 is an apocalyptic number.

12002212012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002212012220 is an abundant number, since it is smaller than the sum of its proper divisors (13202433213484).

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

12002212012220 is a wasteful number, since it uses less digits than its factorization.

12002212012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600110600620 (or 600110600618 counting only the distinct ones).

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

Adding to 12002212012220 its reverse (2221021220021), we get a palindrome (14223233232241).

The spelling of 12002212012220 in words is "twelve trillion, two billion, two hundred twelve million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 600110600611 1200221201222 2400442402444 3000553003055 6001106006110 12002212012220