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2012212122 = 231916732609
BaseRepresentation
bin111011111101111…
…1110101110011010
312012020022222002220
41313323332232122
513110111241442
6531400404510
7100602343434
oct16773765632
95166288086
102012212122
11942928828
12481a76736
13260b61a7b
14151357654
15bb9c5eec
hex77efeb9a

2012212122 has 32 divisors (see below), whose sum is σ = 4053058560. Its totient is φ = 665978880.

The previous prime is 2012212117. The next prime is 2012212177. The reversal of 2012212122 is 2212122102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769954 + ... + 772562.

It is an arithmetic number, because the mean of its divisors is an integer number (126658080).

Almost surely, 22012212122 is an apocalyptic number.

2012212122 is an abundant number, since it is smaller than the sum of its proper divisors (2040846438).

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

2012212122 is a wasteful number, since it uses less digits than its factorization.

2012212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2012212122 is about 44857.6874348199. The cubic root of 2012212122 is about 1262.4802330271.

Adding to 2012212122 its reverse (2212122102), we get a palindrome (4224334224).

The spelling of 2012212122 in words is "two billion, twelve million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 191 382 573 673 1146 1346 2019 2609 4038 5218 7827 15654 128543 257086 385629 498319 771258 996638 1494957 1755857 2989914 3511714 5267571 10535142 335368687 670737374 1006106061 2012212122