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12200020012220 = 225610001000611
BaseRepresentation
bin1011000110001000100111…
…0110111110110010111100
31121012022101101000111220012
42301202021312332302330
53044341120110342340
641540340053042352
72366264604036125
oct261421166766274
947168341014805
1012200020012220
113983aaa274527
1214505420263b8
136a65c2bc78c1
143026ac5cd04c
1516253cee9565
hexb1889dbecbc

12200020012220 has 12 divisors (see below), whose sum is σ = 25620042025704. Its totient is φ = 4880008004880.

The previous prime is 12200020012177. The next prime is 12200020012231. The reversal of 12200020012220 is 2221002000221.

It is a junction number, because it is equal to n+sod(n) for n = 12200020012195 and 12200020012204.

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, 305000500286 + ... + 305000500325.

It is an arithmetic number, because the mean of its divisors is an integer number (2135003502142).

Almost surely, 212200020012220 is an apocalyptic number.

12200020012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200020012220 is an abundant number, since it is smaller than the sum of its proper divisors (13420022013484).

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

12200020012220 is a wasteful number, since it uses less digits than its factorization.

12200020012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610001000620 (or 610001000618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12200020012220 its reverse (2221002000221), we get a palindrome (14421022012441).

The spelling of 12200020012220 in words is "twelve trillion, two hundred billion, twenty million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 610001000611 1220002001222 2440004002444 3050005003055 6100010006110 12200020012220