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12130103232 = 26321343101373
BaseRepresentation
bin10110100110000001…
…01010111111000000
31011022100221002102200
423103000222333000
5144320301300412
65323354113200
7606411114312
oct132300527700
934270832380
1012130103232
115165144105
12242641b800
1311b40b82a0
148310077b2
154aedbe9dc
hex2d302afc0

12130103232 has 336 divisors, whose sum is σ = 38797126368. Its totient is φ = 3599769600.

The previous prime is 12130103231. The next prime is 12130103233. The reversal of 12130103232 is 23230103121.

It is an interprime number because it is at equal distance from previous prime (12130103231) and next prime (12130103233).

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 (12130103231) 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, 32520198 + ... + 32520570.

It is an arithmetic number, because the mean of its divisors is an integer number (115467638).

Almost surely, 212130103232 is an apocalyptic number.

12130103232 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 12130103232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19398563184).

12130103232 is an abundant number, since it is smaller than the sum of its proper divisors (26667023136).

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

12130103232 is a wasteful number, since it uses less digits than its factorization.

12130103232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12130103232 its reverse (23230103121), we get a palindrome (35360206353).

The spelling of 12130103232 in words is "twelve billion, one hundred thirty million, one hundred three thousand, two hundred thirty-two".