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12102151 is a prime number
BaseRepresentation
bin101110001010…
…101000000111
3211202212000211
4232022220013
511044232101
61111220251
7204603145
oct56125007
924685024
1012102151
116916586
124077687
132679649
141870595
1510e0c51
hexb8aa07

12102151 has 2 divisors, whose sum is σ = 12102152. Its totient is φ = 12102150.

The previous prime is 12102133. The next prime is 12102157. The reversal of 12102151 is 15120121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12102151 - 27 = 12102023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051075 + 6051076.

It is an arithmetic number, because the mean of its divisors is an integer number (6051076).

Almost surely, 212102151 is an apocalyptic number.

12102151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102151 is an equidigital number, since it uses as much as digits as its factorization.

12102151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 12102151 is about 3478.8145969568. The cubic root of 12102151 is about 229.5906455233.

Adding to 12102151 its reverse (15120121), we get a palindrome (27222272).

The spelling of 12102151 in words is "twelve million, one hundred two thousand, one hundred fifty-one".