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12111200110212 = 22372191084067321
BaseRepresentation
bin1011000000111101101111…
…0001111100011010000100
31120212211010100200222212220
42300033123301330122010
53041412214212011322
641431450350212340
72360001554240400
oct260173361743204
946784110628786
1012111200110212
11394a3707a6535
1214372944b40b0
1369b10971c178
142dc284320100
1516009057655c
hexb03dbc7c684

12111200110212 has 72 divisors (see below), whose sum is σ = 34603428918240. Its totient is φ = 3278219575680.

The previous prime is 12111200110157. The next prime is 12111200110237. The reversal of 12111200110212 is 21201100211121.

It is a happy number.

12111200110212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12111200110191 and 12111200110200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542022489 + ... + 542044832.

It is an arithmetic number, because the mean of its divisors is an integer number (480603179420).

Almost surely, 212111200110212 is an apocalyptic number.

12111200110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12111200110212 is an abundant number, since it is smaller than the sum of its proper divisors (22492228808028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111200110212 is a wasteful number, since it uses less digits than its factorization.

12111200110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084067361 (or 1084067352 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12111200110212 its reverse (21201100211121), we get a palindrome (33312300321333).

The spelling of 12111200110212 in words is "twelve trillion, one hundred eleven billion, two hundred million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 49 57 76 84 98 114 133 147 196 228 266 294 399 532 588 798 931 1596 1862 2793 3724 5586 11172 1084067321 2168134642 3252201963 4336269284 6504403926 7588471247 13008807852 15176942494 20597279099 22765413741 30353884988 41194558198 45530827482 53119298729 61791837297 82389116396 91061654964 106238597458 123583674594 144180953693 159357896187 212477194916 247167349188 288361907386 318715792374 432542861079 576723814772 637431584748 865085722158 1009266675851 1730171444316 2018533351702 3027800027553 4037066703404 6055600055106 12111200110212