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12212120112011 = 67307593714819
BaseRepresentation
bin1011000110110101101100…
…0101001100101110001011
31121020110121122111021100022
42301231123011030232023
53100040410222041021
641550100500131055
72400203502142031
oct261553305145613
947213548437308
1012212120112011
1139891494855a6
12145295a396a8b
136a77a0a09471
143030d9626551
151629ea43e1ab
hexb1b5b14cb8b

12212120112011 has 8 divisors (see below), whose sum is σ = 12434763190080. Its totient is φ = 11990664464328.

The previous prime is 12212120112007. The next prime is 12212120112041. The reversal of 12212120112011 is 11021102121221.

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 12212120112011 - 22 = 12212120112007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212120112041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296836841 + ... + 296877978.

It is an arithmetic number, because the mean of its divisors is an integer number (1554345398760).

Almost surely, 212212120112011 is an apocalyptic number.

12212120112011 is a deficient number, since it is larger than the sum of its proper divisors (222643078069).

12212120112011 is an equidigital number, since it uses as much as digits as its factorization.

12212120112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593715193.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12212120112011 its reverse (11021102121221), we get a palindrome (23233222233232).

The spelling of 12212120112011 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred twelve thousand, eleven".

Divisors: 1 67 307 20569 593714819 39778892873 182270449433 12212120112011