121000120000063 has 2 divisors, whose sum is σ = 121000120000064. Its totient is φ = 121000120000062.

The previous prime is 121000120000043. The next prime is 121000120000153. The reversal of 121000120000063 is 360000021000121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121000120000063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000120000013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500060000031 + 60500060000032.

It is an arithmetic number, because the mean of its divisors is an integer number (60500060000032).

Almost surely, 2^{121000120000063} is an apocalyptic number.

121000120000063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000120000063 is an equidigital number, since it uses as much as digits as its factorization.

121000120000063 is an odious number, because the sum of its binary digits is odd.

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

Adding to 121000120000063 its reverse (360000021000121), we get a palindrome (481000141000184).

The spelling of 121000120000063 in words is "one hundred twenty-one trillion, one hundred twenty million, sixty-three", and thus it is an aban number.