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12131103210001 is a prime number
BaseRepresentation
bin1011000010000111111000…
…0110001111101000010001
31120221201111102220020000221
42300201332012033220101
53042223444410210001
641444541334513041
72361305021632366
oct260417606175021
946851442806027
1012131103210001
113957854560a36
12143b109b05781
1369cc5bcca1a9
142dd2117c046d
15160857a511a1
hexb087e18fa11

12131103210001 has 2 divisors, whose sum is σ = 12131103210002. Its totient is φ = 12131103210000.

The previous prime is 12131103209989. The next prime is 12131103210049. The reversal of 12131103210001 is 10001230113121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10801417475601 + 1329685734400 = 3286551^2 + 1153120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12131103210001 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131103210091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065551605000 + 6065551605001.

It is an arithmetic number, because the mean of its divisors is an integer number (6065551605001).

Almost surely, 212131103210001 is an apocalyptic number.

It is an amenable number.

12131103210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131103210001 is an equidigital number, since it uses as much as digits as its factorization.

12131103210001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12131103210001 its reverse (10001230113121), we get a palindrome (22132333323122).

The spelling of 12131103210001 in words is "twelve trillion, one hundred thirty-one billion, one hundred three million, two hundred ten thousand, one".