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12000012122 = 2717107471217
BaseRepresentation
bin10110010110100000…
…11010011101011010
31010222022010202222102
423023100122131122
5144034000341442
65302425523402
7603241264040
oct131320323532
933868122872
1012000012122
1150a876a79a
1223aa943562
13119316a1b7
1481ba22390
154a3774232
hex2cb41a75a

12000012122 has 32 divisors (see below), whose sum is σ = 21985147008. Its totient is φ = 4795094016.

The previous prime is 12000012121. The next prime is 12000012127. The reversal of 12000012122 is 22121000021.

It is a happy number.

12000012122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12000012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210143 + ... + 261074.

It is an arithmetic number, because the mean of its divisors is an integer number (687035844).

Almost surely, 212000012122 is an apocalyptic number.

12000012122 is a deficient number, since it is larger than the sum of its proper divisors (9985134886).

12000012122 is a wasteful number, since it uses less digits than its factorization.

12000012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471350.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000012122 its reverse (22121000021), we get a palindrome (34121012143).

The spelling of 12000012122 in words is "twelve billion, twelve thousand, one hundred twenty-two".

Divisors: 1 2 7 14 17 34 107 119 214 238 749 1498 1819 3638 12733 25466 471217 942434 3298519 6597038 8010689 16021378 50420219 56074823 100840438 112149646 352941533 705883066 857143723 1714287446 6000006061 12000012122