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12012010212011 = 91457131340523
BaseRepresentation
bin1010111011001100001110…
…0110100000101010101011
31120112100002122102002101112
42232303003212200222223
53033301044103241021
641314124042340535
72346560545100615
oct256630346405253
946470078362345
1012012010212011
1139112a0680957
121420011aba74b
1369195c9bb604
142d7554ad7db5
1515c6d750bd5b
hexaecc39a0aab

12012010212011 has 4 divisors (see below), whose sum is σ = 12012141643992. Its totient is φ = 12011878780032.

The previous prime is 12012010211977. The next prime is 12012010212047. The reversal of 12012010212011 is 11021201021021.

12012010212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12012010212011 - 26 = 12012010211947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012010212511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65578805 + ... + 65761718.

It is an arithmetic number, because the mean of its divisors is an integer number (3003035410998).

Almost surely, 212012010212011 is an apocalyptic number.

12012010212011 is a deficient number, since it is larger than the sum of its proper divisors (131431981).

12012010212011 is an equidigital number, since it uses as much as digits as its factorization.

12012010212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131431980.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012010212011 its reverse (11021201021021), we get a palindrome (23033211233032).

The spelling of 12012010212011 in words is "twelve trillion, twelve billion, ten million, two hundred twelve thousand, eleven".

Divisors: 1 91457 131340523 12012010212011