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12222200112011 = 12799556059509
BaseRepresentation
bin1011000111011011001111…
…1001010110001110001011
31121021102122010210022211122
42301312303321112032023
53100222031212041021
641554445021345455
72401011340550111
oct261666371261613
947242563708748
1012222200112011
11399245137080a
1214548b210828b
136a8719156cc6
143037b4251ab1
15162dda350bab
hexb1db3e5638b

12222200112011 has 4 divisors (see below), whose sum is σ = 12231756172800. Its totient is φ = 12212644051224.

The previous prime is 12222200111993. The next prime is 12222200112019. The reversal of 12222200112011 is 11021100222221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12222200112011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222200112019) 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, 4778028476 + ... + 4778031033.

It is an arithmetic number, because the mean of its divisors is an integer number (3057939043200).

Almost surely, 212222200112011 is an apocalyptic number.

12222200112011 is a deficient number, since it is larger than the sum of its proper divisors (9556060789).

12222200112011 is an equidigital number, since it uses as much as digits as its factorization.

12222200112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556060788.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12222200112011 its reverse (11021100222221), we get a palindrome (23243300334232).

The spelling of 12222200112011 in words is "twelve trillion, two hundred twenty-two billion, two hundred million, one hundred twelve thousand, eleven".

Divisors: 1 1279 9556059509 12222200112011