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12102001122201 = 317271239822587
BaseRepresentation
bin1011000000011011011101…
…1110100101101110011001
31120211221101021011222122020
42300012313132211232121
53041234344241402301
641423325500045053
72356224604155354
oct260066736455631
946757337158566
1012102001122201
113946480153701
121435547833789
1369a2a197a3b3
142dba5070b29b
1515ec02b90436
hexb01b77a5b99

12102001122201 has 48 divisors (see below), whose sum is σ = 17455185745920. Its totient is φ = 7455129821440.

The previous prime is 12102001122191. The next prime is 12102001122221. The reversal of 12102001122201 is 10222110020121.

It is not a de Polignac number, because 12102001122201 - 215 = 12102001089433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12102001122221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14300830 + ... + 15123416.

It is an arithmetic number, because the mean of its divisors is an integer number (363649703040).

Almost surely, 212102001122201 is an apocalyptic number.

It is an amenable number.

12102001122201 is a deficient number, since it is larger than the sum of its proper divisors (5353184623719).

12102001122201 is a wasteful number, since it uses less digits than its factorization.

12102001122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822934 (or 822917 counting only the distinct ones).

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

Adding to 12102001122201 its reverse (10222110020121), we get a palindrome (22324111142322).

The spelling of 12102001122201 in words is "twelve trillion, one hundred two billion, one million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 3 17 51 71 213 239 289 717 867 1207 3621 4063 12189 16969 20519 50907 61557 69071 207213 288473 822587 865419 2467761 4904041 13983979 14712123 41951937 58403677 175211031 196598293 237727643 589794879 713182929 992862509 2978587527 3342170981 10026512943 13958478803 16878662653 41875436409 50635987959 56816906677 170450720031 237294139651 711882418953 4034000374067 12102001122201