121304646433121 has 2 divisors, whose sum is σ = 121304646433122. Its totient is φ = 121304646433120.

The previous prime is 121304646433099. The next prime is 121304646433129. The reversal of 121304646433121 is 121334646403121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107575479859600 + 13729166573521 = 10371860^2 + 3705289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121304646433121 is a prime.

It is not a weakly prime, because it can be changed into another prime (121304646433129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60652323216560 + 60652323216561.

It is an arithmetic number, because the mean of its divisors is an integer number (60652323216561).

Almost surely, 2^{121304646433121} is an apocalyptic number.

It is an amenable number.

121304646433121 is a deficient number, since it is larger than the sum of its proper divisors (1).

121304646433121 is an equidigital number, since it uses as much as digits as its factorization.

121304646433121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 121304646433121 in words is "one hundred twenty-one trillion, three hundred four billion, six hundred forty-six million, four hundred thirty-three thousand, one hundred twenty-one".