Search a number
-
+
12201122121010 = 254328374702607
BaseRepresentation
bin1011000110001100101110…
…0011001100010100110010
31121012102020011211102221021
42301203023203030110302
53044400344230333020
641541041303050054
72366334115564234
oct261431343142462
947172204742837
1012201122121010
11398451539a139
1214507ab14092a
136a673a336394
14302774b1a254
151625a4b4a1aa
hexb18cb8cc532

12201122121010 has 16 divisors (see below), whose sum is σ = 22472764465536. Its totient is φ = 4766950037808.

The previous prime is 12201122120969. The next prime is 12201122121119. The reversal of 12201122121010 is 1012122110221.

It is a super-4 number, since 4×122011221210104 (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14187350874 + ... + 14187351733.

It is an arithmetic number, because the mean of its divisors is an integer number (1404547779096).

Almost surely, 212201122121010 is an apocalyptic number.

12201122121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201122121010 is a deficient number, since it is larger than the sum of its proper divisors (10271642344526).

12201122121010 is a wasteful number, since it uses less digits than its factorization.

12201122121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28374702657.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201122121010 its reverse (1012122110221), we get a palindrome (13213244231231).

The spelling of 12201122121010 in words is "twelve trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 43 86 215 430 28374702607 56749405214 141873513035 283747026070 1220112212101 2440224424202 6100561060505 12201122121010