10121000012047 has 2 divisors, whose sum is σ = 10121000012048. Its totient is φ = 10121000012046.

The previous prime is 10121000012033. The next prime is 10121000012143. The reversal of 10121000012047 is 74021000012101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121000012047 - 2¹⁹ = 10120999487759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121000012027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060500006023 + 5060500006024.

It is an arithmetic number, because the mean of its divisors is an integer number (5060500006024).

Almost surely, 2^{10121000012047} is an apocalyptic number.

10121000012047 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121000012047 is an equidigital number, since it uses as much as digits as its factorization.

10121000012047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 10121000012047 its reverse (74021000012101), we get a palindrome (84142000024148).

The spelling of 10121000012047 in words is "ten trillion, one hundred twenty-one billion, twelve thousand, forty-seven".