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12320424430000 = 24544738368443
BaseRepresentation
bin1011001101001001001010…
…0001011000100110110000
31121121211011120011200021221
42303102102201120212300
53103324212123230000
642111531433354424
72411056413513121
oct263222241304660
947554146150257
1012320424430000
113a20076441715
12146b945268a14
136b4a70b0c31b
1430845152a048
1516573873761a
hexb34928589b0

12320424430000 has 200 divisors, whose sum is σ = 30543624511488. Its totient is φ = 4810651296000.

The previous prime is 12320424429979. The next prime is 12320424430019. The reversal of 12320424430000 is 3442402321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 179975779 + ... + 180044221.

Almost surely, 212320424430000 is an apocalyptic number.

12320424430000 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 12320424430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15271812255744).

12320424430000 is an abundant number, since it is smaller than the sum of its proper divisors (18223200081488).

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

12320424430000 is an equidigital number, since it uses as much as digits as its factorization.

12320424430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68901 (or 68880 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12320424430000 its reverse (3442402321), we get a palindrome (12323866832321).

The spelling of 12320424430000 in words is "twelve trillion, three hundred twenty billion, four hundred twenty-four million, four hundred thirty thousand".