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12120230323243 = 75189333365993
BaseRepresentation
bin1011000001011111011000…
…0001011110010000101011
31120220200102200122100101101
42300113312001132100223
53042034212430320433
641435542411102231
72360441414625160
oct260276601362053
946820380570341
1012120230323243
113953185053209
121438b94741977
1369bc1851a3a3
142dc89d75c067
1516041d22007d
hexb05f605e42b

12120230323243 has 8 divisors (see below), whose sum is σ = 13851959141088. Its totient is φ = 10388568341184.

The previous prime is 12120230323231. The next prime is 12120230323247. The reversal of 12120230323243 is 34232303202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120230323243 - 225 = 12120196768811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120230323247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16319746 + ... + 17046247.

It is an arithmetic number, because the mean of its divisors is an integer number (1731494892636).

Almost surely, 212120230323243 is an apocalyptic number.

12120230323243 is a deficient number, since it is larger than the sum of its proper divisors (1731728817845).

12120230323243 is an equidigital number, since it uses as much as digits as its factorization.

12120230323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33417893.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 12120230323243 its reverse (34232303202121), we get a palindrome (46352533525364).

The spelling of 12120230323243 in words is "twelve trillion, one hundred twenty billion, two hundred thirty million, three hundred twenty-three thousand, two hundred forty-three".

Divisors: 1 7 51893 363251 33365993 233561951 1731461474749 12120230323243