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12330231232261 is a prime number
BaseRepresentation
bin1011001101101101101100…
…0011010111011100000101
31121122202111000101211221111
42303123123003113130011
53104004303143413021
642120232515245021
72411554424121265
oct263333303273405
947582430354844
1012330231232261
113a2424909a378
1214718215a9771
136b59747846b7
14308b01b5b7a5
15165b0e6818e1
hexb36db0d7705

12330231232261 has 2 divisors, whose sum is σ = 12330231232262. Its totient is φ = 12330231232260.

The previous prime is 12330231232237. The next prime is 12330231232313. The reversal of 12330231232261 is 16223213203321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12164679084100 + 165552148161 = 3487790^2 + 406881^2 .

It is a cyclic number.

It is not a de Polignac number, because 12330231232261 - 29 = 12330231231749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12330231232961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165115616130 + 6165115616131.

It is an arithmetic number, because the mean of its divisors is an integer number (6165115616131).

Almost surely, 212330231232261 is an apocalyptic number.

It is an amenable number.

12330231232261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330231232261 is an equidigital number, since it uses as much as digits as its factorization.

12330231232261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 12330231232261 its reverse (16223213203321), we get a palindrome (28553444435582).

The spelling of 12330231232261 in words is "twelve trillion, three hundred thirty billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred sixty-one".