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12210122233212 = 2239713997498067
BaseRepresentation
bin1011000110101110001111…
…1111111001010101111100
31121020021110102010111212020
42301223203333321111330
53100022312242430322
641545130330440140
72400103132353351
oct261534377712574
947207412114766
1012210122233212
1139883137576a2
1214524a1293050
136a7542b25767
14302d8a160628
1516292ed4a05c
hexb1ae3ff957c

12210122233212 has 48 divisors (see below), whose sum is σ = 28804578028800. Its totient is φ = 4025201766912.

The previous prime is 12210122233207. The next prime is 12210122233217. The reversal of 12210122233212 is 21233222101221.

It is an interprime number because it is at equal distance from previous prime (12210122233207) and next prime (12210122233217).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210122233217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120598 + ... + 5377469.

It is an arithmetic number, because the mean of its divisors is an integer number (600095375600).

Almost surely, 212210122233212 is an apocalyptic number.

12210122233212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210122233212 is an abundant number, since it is smaller than the sum of its proper divisors (16594455795588).

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

12210122233212 is a wasteful number, since it uses less digits than its factorization.

12210122233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499570 (or 7499568 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12210122233212 its reverse (21233222101221), we get a palindrome (33443344334433).

The spelling of 12210122233212 in words is "twelve trillion, two hundred ten billion, one hundred twenty-two million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 97 194 291 388 582 1164 1399 2798 4197 5596 8394 16788 135703 271406 407109 542812 814218 1628436 7498067 14996134 22494201 29992268 44988402 89976804 727312499 1454624998 2181937497 2909249996 4363874994 8727749988 10489795733 20979591466 31469387199 41959182932 62938774398 125877548796 1017510186101 2035020372202 3052530558303 4070040744404 6105061116606 12210122233212