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12110200212 = 22311232173429
BaseRepresentation
bin10110100011101001…
…01111110110010100
31011020222110220121210
423101310233312110
5144300202401322
65321403341420
7606050001105
oct132164576624
934228426553
1012110200212
11515498a730
12241b821870
1311acc3a056
1482c5063ac
154ad28c70c
hex2d1d2fd94

12110200212 has 72 divisors (see below), whose sum is σ = 32224681440. Its totient is φ = 3510182720.

The previous prime is 12110200211. The next prime is 12110200213. The reversal of 12110200212 is 21200201121.

It is an interprime number because it is at equal distance from previous prime (12110200211) and next prime (12110200213).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16887 + ... + 156542.

It is an arithmetic number, because the mean of its divisors is an integer number (447565020).

Almost surely, 212110200212 is an apocalyptic number.

12110200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110200212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16112340720).

12110200212 is an abundant number, since it is smaller than the sum of its proper divisors (20114481228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12110200212 is a wasteful number, since it uses less digits than its factorization.

12110200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173493 (or 173468 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12110200212 its reverse (21200201121), we get a palindrome (33310401333).

Subtracting 12110200212 from its reverse (21200201121), we obtain a palindrome (9090000909).

The spelling of 12110200212 in words is "twelve billion, one hundred ten million, two hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 23 33 44 46 66 69 92 132 138 253 276 506 529 759 1012 1058 1518 1587 2116 3036 3174 5819 6348 11638 17457 23276 34914 69828 173429 346858 520287 693716 1040574 1907719 2081148 3815438 3988867 5723157 7630876 7977734 11446314 11966601 15955468 22892628 23933202 43877537 47866404 87755074 91743941 131632611 175510148 183487882 263265222 275231823 366975764 526530444 550463646 1009183351 1100927292 2018366702 3027550053 4036733404 6055100106 12110200212