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12111102002212 = 22171011763410309
BaseRepresentation
bin1011000000111101010111…
…1011101100010000100100
31120212210212112002121000021
42300033111323230100210
53041412014103032322
641431432523324524
72356666253315263
oct260172573542044
946783775077007
1012111102002212
11394a320387544
121437267680744
1369b0c22bb8b5
142dc2752a25da
15160086b474c7
hexb03d5eec424

12111102002212 has 24 divisors (see below), whose sum is σ = 22663349304120. Its totient is φ = 5642912985600.

The previous prime is 12111102002191. The next prime is 12111102002221. The reversal of 12111102002212 is 21220020111121.

It can be written as a sum of positive squares in 4 ways, for example, as 7688896768996 + 4422205233216 = 2772886^2 + 2102904^2 .

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, 881698287 + ... + 881712022.

It is an arithmetic number, because the mean of its divisors is an integer number (944306221005).

Almost surely, 212111102002212 is an apocalyptic number.

It is an amenable number.

12111102002212 is a deficient number, since it is larger than the sum of its proper divisors (10552247301908).

12111102002212 is a wasteful number, since it uses less digits than its factorization.

12111102002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763410431 (or 1763410429 counting only the distinct ones).

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

Adding to 12111102002212 its reverse (21220020111121), we get a palindrome (33331122113333).

The spelling of 12111102002212 in words is "twelve trillion, one hundred eleven billion, one hundred two million, two thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 101 202 404 1717 3434 6868 1763410309 3526820618 7053641236 29977975253 59955950506 119911901012 178104441209 356208882418 712417764836 3027775500553 6055551001106 12111102002212