Search a number
-
+
12201122221001 = 79043192747701
BaseRepresentation
bin1011000110001100101110…
…0011100100101111001001
31121012102020012000112002122
42301203023203210233021
53044400344242033001
641541041305141025
72366334116461610
oct261431343445711
947172205015078
1012201122221001
11398451545827a
1214507ab18a775
136a673a36ca4c
14302774b44877
151625a4b69b1b
hexb18cb8e4bc9

12201122221001 has 8 divisors (see below), whose sum is σ = 13945681735104. Its totient is φ = 10456948220400.

The previous prime is 12201122220913. The next prime is 12201122221033. The reversal of 12201122221001 is 10012222110221.

12201122221001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12201122221001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201122221061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96310550 + ... + 96437151.

It is an arithmetic number, because the mean of its divisors is an integer number (1743210216888).

Almost surely, 212201122221001 is an apocalyptic number.

It is an amenable number.

12201122221001 is a deficient number, since it is larger than the sum of its proper divisors (1744559514103).

12201122221001 is an equidigital number, since it uses as much as digits as its factorization.

12201122221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192756751.

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

Adding to 12201122221001 its reverse (10012222110221), we get a palindrome (22213344331222).

The spelling of 12201122221001 in words is "twelve trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-one thousand, one".

Divisors: 1 7 9043 63301 192747701 1349233907 1743017460143 12201122221001