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12110232312 = 23321937673571
BaseRepresentation
bin10110100011101001…
…10111101011111000
31011020222112112122200
423101310313223320
5144300204413222
65321404150200
7606050163513
oct132164675370
934228475580
1012110232312
115154a01862
12241b838360
1311acc4b849
1482c513d7a
154ad296eac
hex2d1d37af8

12110232312 has 192 divisors, whose sum is σ = 35997187200. Its totient is φ = 3664362240.

The previous prime is 12110232301. The next prime is 12110232317. The reversal of 12110232312 is 21323201121.

12110232312 is a `hidden beast` number, since 12 + 110 + 232 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110232317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3389487 + ... + 3393057.

It is an arithmetic number, because the mean of its divisors is an integer number (187485350).

Almost surely, 212110232312 is an apocalyptic number.

12110232312 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 12110232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17998593600).

12110232312 is an abundant number, since it is smaller than the sum of its proper divisors (23886954888).

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

12110232312 is a wasteful number, since it uses less digits than its factorization.

12110232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12110232312 its reverse (21323201121), we get a palindrome (33433433433).

The spelling of 12110232312 in words is "twelve billion, one hundred ten million, two hundred thirty-two thousand, three hundred twelve".