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12301112232 = 2332315511251
BaseRepresentation
bin10110111010011010…
…00001001110101000
31011202021201020200100
423131031001032220
5200143041042412
65352343305400
7613555504653
oct133515011650
934667636610
1012301112232
115242725762
12247374b260
131210661946
14849a0089a
154bedededc
hex2dd3413a8

12301112232 has 48 divisors (see below), whose sum is σ = 34390212480. Its totient is φ = 3968100000.

The previous prime is 12301112227. The next prime is 12301112233. The reversal of 12301112232 is 23221110321.

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

It is not an unprimeable number, because it can be changed into a prime (12301112233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2753394 + ... + 2757857.

It is an arithmetic number, because the mean of its divisors is an integer number (716462760).

Almost surely, 212301112232 is an apocalyptic number.

12301112232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12301112232 is an abundant number, since it is smaller than the sum of its proper divisors (22089100248).

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

12301112232 is a wasteful number, since it uses less digits than its factorization.

12301112232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511294 (or 5511287 counting only the distinct ones).

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

Adding to 12301112232 its reverse (23221110321), we get a palindrome (35522222553).

The spelling of 12301112232 in words is "twelve billion, three hundred one million, one hundred twelve thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 5511251 11022502 16533753 22045004 33067506 44090008 49601259 66135012 99202518 132270024 170848781 198405036 341697562 396810072 512546343 683395124 1025092686 1366790248 1537639029 2050185372 3075278058 4100370744 6150556116 12301112232