10121306647 has 2 divisors, whose sum is σ = 10121306648. Its totient is φ = 10121306646.

The previous prime is 10121306641. The next prime is 10121306719. The reversal of 10121306647 is 74660312101.

10121306647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121306647 - 2¹⁹ = 10120782359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121306641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060653323 + 5060653324.

It is an arithmetic number, because the mean of its divisors is an integer number (5060653324).

Almost surely, 2^10121306647 is an apocalyptic number.

10121306647 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121306647 is an equidigital number, since it uses as much as digits as its factorization.

10121306647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 10121306647 its reverse (74660312101), we get a palindrome (84781618748).

The spelling of 10121306647 in words is "ten billion, one hundred twenty-one million, three hundred six thousand, six hundred forty-seven".