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12000210102121 = 29578097158061
BaseRepresentation
bin1010111010100000010001…
…0000101010011101101001
31120111012122021102101201111
42232220010100222131221
53033102412241231441
641304453113150321
72345662251603103
oct256500420523551
946435567371644
1012000210102121
11390729583771a
12141987a0bb3a1
136907cc0a3077
142d6b55870573
1515c2465c3081
hexaea0442a769

12000210102121 has 8 divisors (see below), whose sum is σ = 12414226926600. Its totient is φ = 11586207709440.

The previous prime is 12000210102103. The next prime is 12000210102161. The reversal of 12000210102121 is 12120101200021.

It can be written as a sum of positive squares in 4 ways, for example, as 186801162025 + 11813408940096 = 432205^2 + 3437064^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12000210102121 - 29 = 12000210101609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000210102161) 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, 1902570 + ... + 5255491.

It is an arithmetic number, because the mean of its divisors is an integer number (1551778365825).

Almost surely, 212000210102121 is an apocalyptic number.

It is an amenable number.

12000210102121 is a deficient number, since it is larger than the sum of its proper divisors (414016824479).

12000210102121 is an equidigital number, since it uses as much as digits as its factorization.

12000210102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215899.

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

Adding to 12000210102121 its reverse (12120101200021), we get a palindrome (24120311302142).

The spelling of 12000210102121 in words is "twelve trillion, two hundred ten million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 29 57809 1676461 7158061 207583769 413800348349 12000210102121