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12002212210220 = 2255137191168169
BaseRepresentation
bin1010111010100111101110…
…0110000110011000101100
31120111101210210202000201022
42232221323212012120230
53033121012311211340
641305423513233312
72346063002335001
oct256517346063054
946441723660638
1012002212210220
113908122994111
12141a138702838
13690a5ab07b0b
142d6ca57178a8
1515c3122503b5
hexaea7b98662c

12002212210220 has 24 divisors (see below), whose sum is σ = 25204716280800. Its totient is φ = 4800871428992.

The previous prime is 12002212210181. The next prime is 12002212210229. The reversal of 12002212210220 is 2201221220021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12002212210229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9690296 + ... + 10858464.

It is an arithmetic number, because the mean of its divisors is an integer number (1050196511700).

Almost surely, 212002212210220 is an apocalyptic number.

12002212210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002212210220 is an abundant number, since it is smaller than the sum of its proper divisors (13202504070580).

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

12002212210220 is a wasteful number, since it uses less digits than its factorization.

12002212210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681897 (or 1681895 counting only the distinct ones).

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

Adding to 12002212210220 its reverse (2201221220021), we get a palindrome (14203433430241).

The spelling of 12002212210220 in words is "twelve trillion, two billion, two hundred twelve million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 513719 1027438 1168169 2054876 2336338 2568595 4672676 5137190 5840845 10274380 11681690 23363380 600110610511 1200221221022 2400442442044 3000553052555 6001106105110 12002212210220