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12022222222220 = 225785873015873
BaseRepresentation
bin1010111011110010010001…
…0010001111001110001100
31120120022110100002221211212
42232330210102033032030
53033433002342102340
641322533241233552
72350401605541260
oct256744422171614
946508410087755
1012022222222220
113915661031311
121421ba1a928b8
136928c95a98c2
142d7c430880a0
1515cad3ce7a65
hexaef2448f38c

12022222222220 has 24 divisors (see below), whose sum is σ = 28853333333664. Its totient is φ = 4121904761856.

The previous prime is 12022222222183. The next prime is 12022222222229. The reversal of 12022222222220 is 2222222222021.

12022222222220 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 (12022222222229) 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, 42936507797 + ... + 42936508076.

It is an arithmetic number, because the mean of its divisors is an integer number (1202222222236).

Almost surely, 212022222222220 is an apocalyptic number.

12022222222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022222222220 is an abundant number, since it is smaller than the sum of its proper divisors (16831111111444).

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

12022222222220 is a wasteful number, since it uses less digits than its factorization.

12022222222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85873015889 (or 85873015887 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 12022222222220 its reverse (2222222222021), we get a palindrome (14244444444241).

The spelling of 12022222222220 in words is "twelve trillion, twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 85873015873 171746031746 343492063492 429365079365 601111111111 858730158730 1202222222222 1717460317460 2404444444444 3005555555555 6011111111110 12022222222220