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12112011200 = 26527570007
BaseRepresentation
bin10110100011110111…
…01001111111000000
31011021002212220211102
423101323221333000
5144301133324300
65321510233532
7606101253002
oct132173517700
934232786742
1012112011200
115155a07313
1224203558a8
1311b0422443
1482c858372
154ad4e90d5
hex2d1ee9fc0

12112011200 has 42 divisors (see below), whose sum is σ = 29803121496. Its totient is φ = 4844803840.

The previous prime is 12112011181. The next prime is 12112011227. The reversal of 12112011200 is 211021121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3783404 + ... + 3786603.

Almost surely, 212112011200 is an apocalyptic number.

12112011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112011200 is an abundant number, since it is smaller than the sum of its proper divisors (17691110296).

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

12112011200 is an equidigital number, since it uses as much as digits as its factorization.

12112011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570029 (or 7570014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12112011200 its reverse (211021121), we get a palindrome (12323032321).

The spelling of 12112011200 in words is "twelve billion, one hundred twelve million, eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 7570007 15140014 30280028 37850035 60560056 75700070 121120112 151400140 189250175 242240224 302800280 378500350 484480448 605600560 757000700 1211201120 1514001400 2422402240 3028002800 6056005600 12112011200