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12201212012110 = 2511214699686009
BaseRepresentation
bin1011000110001101000011…
…1010000110011001001110
31121012102110102222101100021
42301203100322012121032
53044401040233341420
641541054233452354
72366336256624352
oct261432072063116
947172412871307
1012201212012110
113984561106700
1214508152710ba
136a6752b4a894
14302782a39462
151625ac9a47aa
hexb18d0e8664e

12201212012110 has 48 divisors (see below), whose sum is σ = 24141926718000. Its totient is φ = 4436496056960.

The previous prime is 12201212012089. The next prime is 12201212012117. The reversal of 12201212012110 is 1121021210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201212012117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17442786 + ... + 18128794.

It is an arithmetic number, because the mean of its divisors is an integer number (502956806625).

Almost surely, 212201212012110 is an apocalyptic number.

12201212012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201212012110 is a deficient number, since it is larger than the sum of its proper divisors (11940714705890).

12201212012110 is a wasteful number, since it uses less digits than its factorization.

12201212012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700737 (or 700726 counting only the distinct ones).

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

Adding to 12201212012110 its reverse (1121021210221), we get a palindrome (13322233222331).

The spelling of 12201212012110 in words is "twelve trillion, two hundred one billion, two hundred twelve million, twelve thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 14699 29398 73495 146990 161689 323378 686009 808445 1372018 1616890 1778579 3430045 3557158 6860090 7546099 8892895 15092198 17785790 37730495 75460990 83007089 166014178 415035445 830070890 10083646291 20167292582 50418231455 100836462910 110920109201 221840218402 554600546005 1109201092010 1220121201211 2440242402422 6100606006055 12201212012110