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12201112022201 = 88713755481423
BaseRepresentation
bin1011000110001100101011…
…1100101010110010111001
31121012102012110211100222022
42301203022330222302321
53044400334134202301
641541040302404225
72366333634003524
oct261431274526271
947172173740868
1012201112022201
11398450a721813
1214507a7890675
136a673820b85b
1430277364bbbb
151625a3d02d1b
hexb18caf2acb9

12201112022201 has 4 divisors (see below), whose sum is σ = 12214867504512. Its totient is φ = 12187356539892.

The previous prime is 12201112022189. The next prime is 12201112022219. The reversal of 12201112022201 is 10222021110221.

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 12201112022201 - 234 = 12183932153017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12201112022201.

It is not an unprimeable number, because it can be changed into a prime (12201112028201) 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 3 ways as a sum of consecutive naturals, for example, 6877739825 + ... + 6877741598.

It is an arithmetic number, because the mean of its divisors is an integer number (3053716876128).

Almost surely, 212201112022201 is an apocalyptic number.

It is an amenable number.

12201112022201 is a deficient number, since it is larger than the sum of its proper divisors (13755482311).

12201112022201 is an equidigital number, since it uses as much as digits as its factorization.

12201112022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13755482310.

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

Adding to 12201112022201 its reverse (10222021110221), we get a palindrome (22423133132422).

The spelling of 12201112022201 in words is "twelve trillion, two hundred one billion, one hundred twelve million, twenty-two thousand, two hundred one".

Divisors: 1 887 13755481423 12201112022201