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12212011223110 = 258211843980669
BaseRepresentation
bin1011000110110101010010…
…0101110100100001000110
31121020110100001121010212001
42301231110211310201012
53100040144333114420
641550042010215514
72400201010455466
oct261552445644106
947213301533761
1012212011223110
1139890a2a72776
121452929a2459a
136a77842a2a6a
143030c8d9dba6
151629e0ad0b0a
hexb1b54974846

12212011223110 has 32 divisors (see below), whose sum is σ = 22009860820800. Its totient is φ = 4878529595520.

The previous prime is 12212011223089. The next prime is 12212011223119. The reversal of 12212011223110 is 1132211021221.

It is a super-2 number, since 2×122120112231102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212011223119) 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, 151343856 + ... + 151424524.

It is an arithmetic number, because the mean of its divisors is an integer number (687808150650).

Almost surely, 212212011223110 is an apocalyptic number.

12212011223110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212011223110 is a deficient number, since it is larger than the sum of its proper divisors (9797849597690).

12212011223110 is a wasteful number, since it uses less digits than its factorization.

12212011223110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99936.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12212011223110 its reverse (1132211021221), we get a palindrome (13344222244331).

The spelling of 12212011223110 in words is "twelve trillion, two hundred twelve billion, eleven million, two hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 5 10 821 1642 4105 8210 18439 36878 80669 92195 161338 184390 403345 806690 15138419 30276838 66229249 75692095 132458498 151384190 331146245 662292490 1487455691 2974911382 7437278455 14874556910 1221201122311 2442402244622 6106005611555 12212011223110