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12012012110 = 257761225493
BaseRepresentation
bin10110010111111100…
…01100001001001110
31011000010201102212102
423023332030021032
5144100033341420
65303535035102
7603445263320
oct131376141116
934003642772
1012012012110
11510451653a
1223b296ba92
1311957ac197
1481d467610
154a4844a75
hex2cbf8c24e

12012012110 has 32 divisors (see below), whose sum is σ = 24743005632. Its totient is φ = 4112974080.

The previous prime is 12012012083. The next prime is 12012012151. The reversal of 12012012110 is 1121021021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12012012091 and 12012012100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59477 + ... + 166016.

It is an arithmetic number, because the mean of its divisors is an integer number (773218926).

Almost surely, 212012012110 is an apocalyptic number.

12012012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012012110 is an abundant number, since it is smaller than the sum of its proper divisors (12730993522).

12012012110 is a wasteful number, since it uses less digits than its factorization.

12012012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226268.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12012012110 its reverse (1121021021), we get a palindrome (13133033131).

The spelling of 12012012110 in words is "twelve billion, twelve million, twelve thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 761 1522 3805 5327 7610 10654 26635 53270 225493 450986 1127465 1578451 2254930 3156902 7892255 15784510 171600173 343200346 858000865 1201201211 1716001730 2402402422 6006006055 12012012110