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12227086213657 = 71746726601951
BaseRepresentation
bin1011000111101101011100…
…1000010110001000011001
31121021220020122212000020021
42301323113020112020121
53100312033032314112
642001013523430441
72401243410665320
oct261732710261031
947256218760207
1012227086213657
113994529454247
121455836525421
136a9017517003
14303b191450b7
151630c42a9907
hexb1ed7216219

12227086213657 has 4 divisors (see below), whose sum is σ = 13973812815616. Its totient is φ = 10480359611700.

The previous prime is 12227086213651. The next prime is 12227086213733. The reversal of 12227086213657 is 75631268072221.

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 12227086213657 - 23 = 12227086213649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12227086213651) 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, 873363300969 + ... + 873363300982.

It is an arithmetic number, because the mean of its divisors is an integer number (3493453203904).

Almost surely, 212227086213657 is an apocalyptic number.

It is an amenable number.

12227086213657 is a deficient number, since it is larger than the sum of its proper divisors (1746726601959).

12227086213657 is an equidigital number, since it uses as much as digits as its factorization.

12227086213657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746726601958.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 12227086213657 in words is "twelve trillion, two hundred twenty-seven billion, eighty-six million, two hundred thirteen thousand, six hundred fifty-seven".

Divisors: 1 7 1746726601951 12227086213657