Search a number
-
+
12000220012220 = 22511109500426189
BaseRepresentation
bin1010111010100000010011…
…0110011101111010111100
31120111012122222001212211012
42232220010312131322330
53033102422310342340
641304454105414352
72345662432046366
oct256500466357274
946435588055735
1012000220012220
1139072a0396290
12141988149a3b8
13690801162a2b
142d6b56ccdd36
1515c2473ce565
hexaea04d9debc

12000220012220 has 48 divisors (see below), whose sum is σ = 27743627973600. Its totient is φ = 4323682264320.

The previous prime is 12000220012219. The next prime is 12000220012267. The reversal of 12000220012220 is 2221002200021.

It is a junction number, because it is equal to n+sod(n) for n = 12000220012195 and 12000220012204.

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, 250189115 + ... + 250237074.

It is an arithmetic number, because the mean of its divisors is an integer number (577992249450).

Almost surely, 212000220012220 is an apocalyptic number.

12000220012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000220012220 is an abundant number, since it is smaller than the sum of its proper divisors (15743407961380).

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

12000220012220 is a wasteful number, since it uses less digits than its factorization.

12000220012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500426318 (or 500426316 counting only the distinct ones).

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

Adding to 12000220012220 its reverse (2221002200021), we get a palindrome (14221222212241).

The spelling of 12000220012220 in words is "twelve trillion, two hundred twenty million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 109 110 218 220 436 545 1090 1199 2180 2398 4796 5995 11990 23980 500426189 1000852378 2001704756 2502130945 5004261890 5504688079 10008523780 11009376158 22018752316 27523440395 54546454601 55046880790 109092909202 110093761580 218185818404 272732273005 545464546010 600011000611 1090929092020 1200022001222 2400044002444 3000055003055 6000110006110 12000220012220