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12120103001 is a prime number
BaseRepresentation
bin10110100100110101…
…00001100001011001
31011021200010000200202
423102122201201121
5144310221244001
65322355511545
7606230114156
oct132232414131
934250100622
1012120103001
11515a533856
122422bb85b5
1311b1cc65a6
1482d96322d
154ae09696b
hex2d26a1859

12120103001 has 2 divisors, whose sum is σ = 12120103002. Its totient is φ = 12120103000.

The previous prime is 12120102949. The next prime is 12120103003. The reversal of 12120103001 is 10030102121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12111222601 + 8880400 = 110051^2 + 2980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12120103001 is a prime.

Together with 12120103003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12120103003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060051500 + 6060051501.

It is an arithmetic number, because the mean of its divisors is an integer number (6060051501).

Almost surely, 212120103001 is an apocalyptic number.

It is an amenable number.

12120103001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120103001 is an equidigital number, since it uses as much as digits as its factorization.

12120103001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12120103001 its reverse (10030102121), we get a palindrome (22150205122).

The spelling of 12120103001 in words is "twelve billion, one hundred twenty million, one hundred three thousand, one".