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2012200011220 = 225714372857223
BaseRepresentation
bin11101010010000000011…
…101111000010111010100
321010100211200022122010111
4131102000131320113110
5230431441200324340
64140220353332404
7265243122613630
oct35220035702724
97110750278114
102012200011220
117064074a2893
12285b89867104
13117998c88319
146d568c93dc0
153751e0aaaea
hex1d4807785d4

2012200011220 has 24 divisors (see below), whose sum is σ = 4829280027264. Its totient is φ = 689897146656.

The previous prime is 2012200011127. The next prime is 2012200011229. The reversal of 2012200011220 is 221100022102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012200011220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012200011229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7186428472 + ... + 7186428751.

It is an arithmetic number, because the mean of its divisors is an integer number (201220001136).

Almost surely, 22012200011220 is an apocalyptic number.

2012200011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012200011220 is an abundant number, since it is smaller than the sum of its proper divisors (2817080016044).

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

2012200011220 is a wasteful number, since it uses less digits than its factorization.

2012200011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372857239 (or 14372857237 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2012200011220 its reverse (221100022102), we get a palindrome (2233300033322).

The spelling of 2012200011220 in words is "two trillion, twelve billion, two hundred million, eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 14372857223 28745714446 57491428892 71864286115 100610000561 143728572230 201220001122 287457144460 402440002244 503050002805 1006100005610 2012200011220