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12111033223 = 171578215527
BaseRepresentation
bin10110100011101111…
…11011001110000111
31011021001001020022001
423101313323032013
5144300411030343
65321433250131
7606060040522
oct132167731607
934231036261
1012111033223
1151553a9573
12241bb63947
1311b016c263
1482c681bb9
154ad3a444d
hex2d1dfb387

12111033223 has 16 divisors (see below), whose sum is σ = 12923181504. Its totient is φ = 11310174720.

The previous prime is 12111033217. The next prime is 12111033227. The reversal of 12111033223 is 32233011121.

It is a cyclic number.

It is not a de Polignac number, because 12111033223 - 29 = 12111032711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111033223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111033227) 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, 2188486 + ... + 2194012.

It is an arithmetic number, because the mean of its divisors is an integer number (807698844).

Almost surely, 212111033223 is an apocalyptic number.

12111033223 is a deficient number, since it is larger than the sum of its proper divisors (812148281).

12111033223 is a wasteful number, since it uses less digits than its factorization.

12111033223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12111033223 its reverse (32233011121), we get a palindrome (44344044344).

The spelling of 12111033223 in words is "twelve billion, one hundred eleven million, thirty-three thousand, two hundred twenty-three".

Divisors: 1 17 157 821 2669 5527 13957 93959 128897 867739 2191249 4537667 14751563 77140339 712413719 12111033223