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12121063 is a prime number
BaseRepresentation
bin101110001111…
…001111100111
3211210210222021
4232033033213
511100333223
61111444011
7205012243
oct56171747
924723867
1012121063
116929809
124086607
132685136
141877423
1510e665d
hexb8f3e7

12121063 has 2 divisors, whose sum is σ = 12121064. Its totient is φ = 12121062.

The previous prime is 12121061. The next prime is 12121079. The reversal of 12121063 is 36012121.

It is an a-pointer prime, because the next prime (12121079) can be obtained adding 12121063 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (36012121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12121063 - 21 = 12121061 is a prime.

Together with 12121061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060531 + 6060532.

It is an arithmetic number, because the mean of its divisors is an integer number (6060532).

Almost surely, 212121063 is an apocalyptic number.

12121063 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121063 is an equidigital number, since it uses as much as digits as its factorization.

12121063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12121063 is about 3481.5317031445. The cubic root of 12121063 is about 229.7101768500.

Adding to 12121063 its reverse (36012121), we get a palindrome (48133184).

The spelling of 12121063 in words is "twelve million, one hundred twenty-one thousand, sixty-three".