Search a number
-
+
12201122222201 = 112447453286853
BaseRepresentation
bin1011000110001100101110…
…0011100101000001111001
31121012102020012000120202002
42301203023203211001321
53044400344242102301
641541041305150345
72366334116465243
oct261431343450171
947172205016662
1012201122222201
113984515459170
1214507ab18b3b5
136a673a370463
14302774b45093
151625a4b6a16b
hexb18cb8e5079

12201122222201 has 8 divisors (see below), whose sum is σ = 13315754623104. Its totient is φ = 11087396399920.

The previous prime is 12201122222143. The next prime is 12201122222207. The reversal of 12201122222201 is 10222222110221.

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 12201122222201 - 210 = 12201122221177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201122222207) 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, 226616510 + ... + 226670343.

It is an arithmetic number, because the mean of its divisors is an integer number (1664469327888).

Almost surely, 212201122222201 is an apocalyptic number.

12201122222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12201122222201 is a deficient number, since it is larger than the sum of its proper divisors (1114632400903).

12201122222201 is a wasteful number, since it uses less digits than its factorization.

12201122222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453289311.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12201122222201 its reverse (10222222110221), we get a palindrome (22423344332422).

The spelling of 12201122222201 in words is "twelve trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 11 2447 26917 453286853 4986155383 1109192929291 12201122222201