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12112320000 = 29354113137
BaseRepresentation
bin10110100011111001…
…10101011000000000
31011021010110121102110
423101330311120000
5144301223220000
65321521015320
7606104010204
oct132174653000
934233417373
1012112320000
1151560a8320
122420484540
1311b04ccb71
1482c8d8b04
154ad55a850
hex2d1f35600

12112320000 has 800 divisors, whose sum is σ = 46633872384. Its totient is φ = 2764800000.

The previous prime is 12112319959. The next prime is 12112320067. The reversal of 12112320000 is 2321121.

It is a tau number, because it is divible by the number of its divisors (800).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 327359982 + ... + 327360018.

Almost surely, 212112320000 is an apocalyptic number.

12112320000 is a gapful number since it is divisible by the number (10) 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 12112320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23316936192).

12112320000 is an abundant number, since it is smaller than the sum of its proper divisors (34521552384).

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

12112320000 is an equidigital number, since it uses as much as digits as its factorization.

12112320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12112320000 its reverse (2321121), we get a palindrome (12114641121).

The spelling of 12112320000 in words is "twelve billion, one hundred twelve million, three hundred twenty thousand".