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11110212112212 = 2232597616873583
BaseRepresentation
bin1010000110101100110000…
…1111110000111101010100
31110100010101210012001221100
42201223030033300331110
52424012203300042322
635343543323350100
72224454261525613
oct241531417607524
943303353161840
1011110212112212
1135a38a6105074
1212b5297682330
136278c4859335
142a5a469b187a
151440071eedac
hexa1acc3f0f54

11110212112212 has 72 divisors (see below), whose sum is σ = 28597683703680. Its totient is φ = 3635849934720.

The previous prime is 11110212112211. The next prime is 11110212112243. The reversal of 11110212112212 is 21221121201111.

It is a happy number.

11110212112212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110212112211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1820428 + ... + 5053155.

It is an arithmetic number, because the mean of its divisors is an integer number (397190051440).

Almost surely, 211110212112212 is an apocalyptic number.

11110212112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11110212112212 is an abundant number, since it is smaller than the sum of its proper divisors (17487471591468).

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

11110212112212 is a wasteful number, since it uses less digits than its factorization.

11110212112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874413 (or 6874408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11110212112212 its reverse (21221121201111), we get a palindrome (32331333313323).

The spelling of 11110212112212 in words is "eleven trillion, one hundred ten billion, two hundred twelve million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 59 118 177 236 354 531 708 761 1062 1522 2124 2283 3044 4566 6849 9132 13698 27396 44899 89798 134697 179596 269394 404091 538788 808182 1616364 6873583 13747166 20620749 27494332 41241498 61862247 82482996 123724494 247448988 405541397 811082794 1216624191 1622165588 2433248382 3649872573 4866496764 5230796663 7299745146 10461593326 14599490292 15692389989 20923186652 31384779978 47077169967 62769559956 94154339934 188308679868 308617003117 617234006234 925851009351 1234468012468 1851702018702 2777553028053 3703404037404 5555106056106 11110212112212