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12031347200 = 29521961811
BaseRepresentation
bin10110011010001111…
…11100101000000000
31011001111002202121212
423031013330220000
5144120011102300
65305505305252
7604101522665
oct131507745000
934044082555
1012031347200
115114422254
1223b9335228
1311997bba72
14821c5ba6c
154a63b3935
hex2cd1fca00

12031347200 has 240 divisors, whose sum is σ = 31931185440. Its totient is φ = 4478976000.

The previous prime is 12031347109. The next prime is 12031347221. The reversal of 12031347200 is 274313021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14834795 + ... + 14835605.

It is an arithmetic number, because the mean of its divisors is an integer number (133046606).

Almost surely, 212031347200 is an apocalyptic number.

12031347200 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 12031347200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15965592720).

12031347200 is an abundant number, since it is smaller than the sum of its proper divisors (19899838240).

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

12031347200 is an equidigital number, since it uses as much as digits as its factorization.

12031347200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 12031347200 in words is "twelve billion, thirty-one million, three hundred forty-seven thousand, two hundred".