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12210111012110 = 25111937315662623
BaseRepresentation
bin1011000110101110001101…
…0101000101110100001110
31121020021102122000102101212
42301223203111011310032
53100022301404341420
641545125250134422
72400102635106644
oct261534325056416
947207378012355
1012210111012110
113988308393060
121452499581412
136a75406c715b
14302d8887d194
1516292dd803c5
hexb1ae3545d0e

12210111012110 has 64 divisors (see below), whose sum is σ = 25305788344320. Its totient is φ = 4195076676480.

The previous prime is 12210111011999. The next prime is 12210111012119. The reversal of 12210111012110 is 1121011101221.

12210111012110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210111012119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7051742 + ... + 8610881.

It is an arithmetic number, because the mean of its divisors is an integer number (395402942880).

Almost surely, 212210111012110 is an apocalyptic number.

12210111012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210111012110 is an abundant number, since it is smaller than the sum of its proper divisors (13095677332210).

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

12210111012110 is a wasteful number, since it uses less digits than its factorization.

12210111012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15663033.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12210111012110 its reverse (1121011101221), we get a palindrome (13331122113331).

The spelling of 12210111012110 in words is "twelve trillion, two hundred ten billion, one hundred eleven million, twelve thousand, one hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 373 418 746 1045 1865 2090 3730 4103 7087 8206 14174 20515 35435 41030 70870 77957 155914 389785 779570 15662623 31325246 78313115 156626230 172288853 297589837 344577706 595179674 861444265 1487949185 1722888530 2975898370 3273488207 5842158379 6546976414 11684316758 16367441035 29210791895 32734882070 58421583790 64263742169 111001009201 128527484338 222002018402 321318710845 555005046005 642637421690 1110010092010 1221011101211 2442022202422 6105055506055 12210111012110