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12000212121010 = 252096357244727
BaseRepresentation
bin1010111010100000010001…
…1000010111010110110010
31120111012122102012222010011
42232220010120113112302
53033102413300333020
641304453224325134
72345662305012061
oct256500430272662
946435572188104
1012000212121010
113907296996523
12141987a9137aa
136907cc62bc89
142d6b55c381d8
1515c24687135a
hexaea046175b2

12000212121010 has 16 divisors (see below), whose sum is σ = 21601412600256. Its totient is φ = 4799855785648.

The previous prime is 12000212120933. The next prime is 12000212121083. The reversal of 12000212121010 is 1012121200021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28412734 + ... + 28831993.

It is an arithmetic number, because the mean of its divisors is an integer number (1350088287516).

Almost surely, 212000212121010 is an apocalyptic number.

12000212121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000212121010 is a deficient number, since it is larger than the sum of its proper divisors (9601200479246).

12000212121010 is a wasteful number, since it uses less digits than its factorization.

12000212121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57265697.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12000212121010 its reverse (1012121200021), we get a palindrome (13012333321031).

The spelling of 12000212121010 in words is "twelve trillion, two hundred twelve million, one hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 20963 41926 104815 209630 57244727 114489454 286223635 572447270 1200021212101 2400042424202 6000106060505 12000212121010