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12130031047 is a prime number
BaseRepresentation
bin10110100110000000…
…11001010111000111
31011022100210102102011
423103000121113013
5144320241443142
65323352355051
7606410364001
oct132300312707
934270712364
1012130031047
1151650a4952
1224263a5a87
1311b4091484
14830dc9371
154aeda8417
hex2d30195c7

12130031047 has 2 divisors, whose sum is σ = 12130031048. Its totient is φ = 12130031046.

The previous prime is 12130031021. The next prime is 12130031051. The reversal of 12130031047 is 74013003121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12130031047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12130031647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065015523 + 6065015524.

It is an arithmetic number, because the mean of its divisors is an integer number (6065015524).

Almost surely, 212130031047 is an apocalyptic number.

12130031047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130031047 is an equidigital number, since it uses as much as digits as its factorization.

12130031047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 12130031047 its reverse (74013003121), we get a palindrome (86143034168).

The spelling of 12130031047 in words is "twelve billion, one hundred thirty million, thirty-one thousand, forty-seven".