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12200001200020 = 2254357124844217
BaseRepresentation
bin1011000110001000100010…
…1111001101111110010100
31121012022100001121202102001
42301202020233031332110
53044341100301400040
641540334141525044
72366264255115064
oct261421057157624
947168301552361
1012200001200020
113983a9a695657
121450537873784
136a65bc03c01a
143026a9cd33a4
1516253b53059a
hexb1888bcdf94

12200001200020 has 48 divisors (see below), whose sum is σ = 26261729702208. Its totient is φ = 4758164248320.

The previous prime is 12200001199993. The next prime is 12200001200033. The reversal of 12200001200020 is 2000210000221.

12200001200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11931049 + ... + 12913168.

It is an arithmetic number, because the mean of its divisors is an integer number (547119368796).

Almost surely, 212200001200020 is an apocalyptic number.

12200001200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200001200020 is an abundant number, since it is smaller than the sum of its proper divisors (14061728502188).

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

12200001200020 is a wasteful number, since it uses less digits than its factorization.

12200001200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24844840 (or 24844838 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12200001200020 its reverse (2000210000221), we get a palindrome (14200211200241).

The spelling of 12200001200020 in words is "twelve trillion, two hundred billion, one million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 571 860 1142 2284 2855 5710 11420 24553 49106 98212 122765 245530 491060 24844217 49688434 99376868 124221085 248442170 496884340 1068301331 2136602662 4273205324 5341506655 10683013310 14186047907 21366026620 28372095814 56744191628 70930239535 141860479070 283720958140 610000060001 1220000120002 2440000240004 3050000300005 6100000600010 12200001200020