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12201111011210 = 2511223749583903
BaseRepresentation
bin1011000110001100101011…
…1000110011111110001010
31121012102012101221000011012
42301203022320303332022
53044400333404324320
641541040225003522
72366333622263162
oct261431270637612
947172171830135
1012201111011210
11398450a0a1190
1214507a74835a2
136a6737c46634
143027734675a2
151625a3ba34c5
hexb18cae33f8a

12201111011210 has 32 divisors (see below), whose sum is σ = 23969255864832. Its totient is φ = 4434784194880.

The previous prime is 12201111011207. The next prime is 12201111011237. The reversal of 12201111011210 is 1211011110221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24545882 + ... + 25038021.

It is an arithmetic number, because the mean of its divisors is an integer number (749039245776).

Almost surely, 212201111011210 is an apocalyptic number.

12201111011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201111011210 is a deficient number, since it is larger than the sum of its proper divisors (11768144853622).

12201111011210 is a wasteful number, since it uses less digits than its factorization.

12201111011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49586158.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12201111011210 its reverse (1211011110221), we get a palindrome (13412122121431).

The spelling of 12201111011210 in words is "twelve trillion, two hundred one billion, one hundred eleven million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 2237 4474 11185 22370 24607 49214 123035 246070 49583903 99167806 247919515 495839030 545422933 1090845866 2727114665 5454229330 110919191011 221838382022 554595955055 1109191910110 1220111101121 2440222202242 6100555505605 12201111011210