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2012313223300 = 22521011571126823
BaseRepresentation
bin11101010010000111001…
…101110000000010000100
321010101010120100101220111
4131102013031300002010
5230432204141121200
64140235520042404
7265245666114202
oct35220715600204
97111116311814
102012313223300
11706465398796
12285bbb763404
131179b6576713
146d579d24072
1537528ec00ba
hex1d487370084

2012313223300 has 72 divisors (see below), whose sum is σ = 4412796437952. Its totient is φ = 796442160000.

The previous prime is 2012313223253. The next prime is 2012313223369. The reversal of 2012313223300 is 33223132102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15803689 + ... + 15930511.

It is an arithmetic number, because the mean of its divisors is an integer number (61288839416).

Almost surely, 22012313223300 is an apocalyptic number.

2012313223300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012313223300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206398218976).

2012313223300 is an abundant number, since it is smaller than the sum of its proper divisors (2400483214652).

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

2012313223300 is a wasteful number, since it uses less digits than its factorization.

2012313223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128509 (or 128502 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2012313223300 its reverse (33223132102), we get a palindrome (2045536355402).

The spelling of 2012313223300 in words is "two trillion, twelve billion, three hundred thirteen million, two hundred twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 1571 2020 2525 3142 5050 6284 7855 10100 15710 31420 39275 78550 126823 157100 158671 253646 317342 507292 634115 634684 793355 1268230 1586710 2536460 3170575 3173420 3966775 6341150 7933550 12682300 12809123 15867100 25618246 51236492 64045615 128091230 199238933 256182460 320228075 398477866 640456150 796955732 996194665 1280912300 1992389330 3984778660 4980973325 9961946650 19923893300 20123132233 40246264466 80492528932 100615661165 201231322330 402462644660 503078305825 1006156611650 2012313223300