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12212112111110 = 2519109589672241
BaseRepresentation
bin1011000110110101101010…
…0110101011011000000110
31121020110121002102210011122
42301231122212223120012
53100040401200023420
641550100012433542
72400203344136552
oct261553246533006
947213532383148
1012212112111110
113989144a1038a
1214529577788b2
136a779c1677c2
143030d8542862
151629e98ad725
hexb1b5a9ab606

12212112111110 has 32 divisors (see below), whose sum is σ = 23351020783200. Its totient is φ = 4585291338240.

The previous prime is 12212112111107. The next prime is 12212112111137. The reversal of 12212112111110 is 1111121121221.

12212112111110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 294815411 + ... + 294856830.

It is an arithmetic number, because the mean of its divisors is an integer number (729719399475).

Almost surely, 212212112111110 is an apocalyptic number.

12212112111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212112111110 is a deficient number, since it is larger than the sum of its proper divisors (11138908672090).

12212112111110 is a wasteful number, since it uses less digits than its factorization.

12212112111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589672376.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 12212112111110 its reverse (1111121121221), we get a palindrome (13323233232331).

The spelling of 12212112111110 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 109 190 218 545 1090 2071 4142 10355 20710 589672241 1179344482 2948361205 5896722410 11203772579 22407545158 56018862895 64274274269 112037725790 128548548538 321371371345 642742742690 1221211211111 2442422422222 6106056055555 12212112111110