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12012001110101 = 27739433036559
BaseRepresentation
bin1010111011001100001100…
…0011110010100001010101
31120112100002000021122220202
42232303003003302201111
53033301034241010401
641314123115310245
72346560404531466
oct256630303624125
946470060248822
1012012001110101
113911296524513
12142000aa4b385
1369195ab52775
142d7553808d6d
1515c6d681006b
hexaecc30f2855

12012001110101 has 4 divisors (see below), whose sum is σ = 12012434174400. Its totient is φ = 12011568045804.

The previous prime is 12012001110061. The next prime is 12012001110119. The reversal of 12012001110101 is 10101110021021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12012001110101 - 210 = 12012001109077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012001110181) 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, 216490541 + ... + 216546018.

It is an arithmetic number, because the mean of its divisors is an integer number (3003108543600).

Almost surely, 212012001110101 is an apocalyptic number.

It is an amenable number.

12012001110101 is a deficient number, since it is larger than the sum of its proper divisors (433064299).

12012001110101 is an equidigital number, since it uses as much as digits as its factorization.

12012001110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433064298.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12012001110101 its reverse (10101110021021), we get a palindrome (22113111131122).

The spelling of 12012001110101 in words is "twelve trillion, twelve billion, one million, one hundred ten thousand, one hundred one".

Divisors: 1 27739 433036559 12012001110101