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12022212210220 = 2251076803825791
BaseRepresentation
bin1010111011110010001110…
…1100000010111000101100
31120120022102122021021222001
42232330203230002320230
53033432442311211340
641322532242502044
72350401424461622
oct256744354027054
946508378237861
1012022212210220
113915656413133
121421b9a664924
136928c74b2744
142d7c419dd512
1515cad2ebb29a
hexaef23b02e2c

12022212210220 has 48 divisors (see below), whose sum is σ = 25486372251648. Its totient is φ = 4763235995840.

The previous prime is 12022212210181. The next prime is 12022212210227. The reversal of 12022212210220 is 2201221222021.

12022212210220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12022212210227) 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, 14145525 + ... + 14971315.

It is an arithmetic number, because the mean of its divisors is an integer number (530966088576).

Almost surely, 212022212210220 is an apocalyptic number.

12022212210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022212210220 is an abundant number, since it is smaller than the sum of its proper divisors (13464160041428).

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

12022212210220 is a wasteful number, since it uses less digits than its factorization.

12022212210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832710 (or 832708 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12022212210220 its reverse (2201221222021), we get a palindrome (14223433432241).

The spelling of 12022212210220 in words is "twelve trillion, twenty-two billion, two hundred twelve million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 6803 13606 27212 34015 68030 136060 727921 825791 1455842 1651582 2911684 3303164 3639605 4128955 7279210 8257910 14558420 16515820 88359637 176719274 353438548 441798185 883596370 1767192740 5617856173 11235712346 22471424692 28089280865 56178561730 112357123460 601110610511 1202221221022 2404442442044 3005553052555 6011106105110 12022212210220