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12201202020111 = 3131739421191953
BaseRepresentation
bin1011000110001101000001…
…0011111110111100001111
31121012102102202011201220020
42301203100103332330033
53044401030204120421
641541053235353223
72366336105660226
oct261432023767417
947172382151806
1012201202020111
113984556501555
121450811a52813
136a6750a5c860
14302781597cbd
151625abb7ddc6
hexb18d04fef0f

12201202020111 has 32 divisors (see below), whose sum is σ = 17622906689472. Its totient is φ = 7464199403520.

The previous prime is 12201202020103. The next prime is 12201202020121. The reversal of 12201202020111 is 11102020210221.

It is not a de Polignac number, because 12201202020111 - 23 = 12201202020103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201202020121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63467511 + ... + 63659463.

It is an arithmetic number, because the mean of its divisors is an integer number (550715834046).

Almost surely, 212201202020111 is an apocalyptic number.

12201202020111 is a deficient number, since it is larger than the sum of its proper divisors (5421704669361).

12201202020111 is a wasteful number, since it uses less digits than its factorization.

12201202020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201563.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201202020111 its reverse (11102020210221), we get a palindrome (23303222230332).

The spelling of 12201202020111 in words is "twelve trillion, two hundred one billion, two hundred two million, twenty thousand, one hundred eleven".

Divisors: 1 3 13 39 173 519 2249 6747 9421 28263 122473 191953 367419 575859 1629833 2495389 4889499 7486167 21187829 33207869 63563487 99623607 431702297 1295106891 1808389213 5425167639 23509059769 70527179307 312851333849 938554001547 4067067340037 12201202020111