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12110122223 = 23575137939
BaseRepresentation
bin10110100011101000…
…11100110011101111
31011020222022221122022
423101310130303233
5144300142402343
65321401540355
7606046224533
oct132164346357
934228287568
1012110122223
115154937081
12241b7a46bb
1311acc106c4
1482c4c5bc3
154ad274568
hex2d1d1ccef

12110122223 has 4 divisors (see below), whose sum is σ = 12115262520. Its totient is φ = 12104981928.

The previous prime is 12110122201. The next prime is 12110122247. The reversal of 12110122223 is 32222101121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12110122223 - 28 = 12110121967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110122523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566613 + ... + 2571326.

It is an arithmetic number, because the mean of its divisors is an integer number (3028815630).

Almost surely, 212110122223 is an apocalyptic number.

12110122223 is a deficient number, since it is larger than the sum of its proper divisors (5140297).

12110122223 is an equidigital number, since it uses as much as digits as its factorization.

12110122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140296.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12110122223 its reverse (32222101121), we get a palindrome (44332223344).

The spelling of 12110122223 in words is "twelve billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 2357 5137939 12110122223