121343302013 has 2 divisors, whose sum is σ = 121343302014. Its totient is φ = 121343302012.

The previous prime is 121343301967. The next prime is 121343302057. The reversal of 121343302013 is 310203343121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82361538169 + 38981763844 = 286987^2 + 197438^2 .

It is a cyclic number.

It is not a de Polignac number, because 121343302013 - 2⁸ = 121343301757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121343302013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121343304013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60671651006 + 60671651007.

It is an arithmetic number, because the mean of its divisors is an integer number (60671651007).

Almost surely, 2^121343302013 is an apocalyptic number.

It is an amenable number.

121343302013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121343302013 is an equidigital number, since it uses as much as digits as its factorization.

121343302013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121343302013 its reverse (310203343121), we get a palindrome (431546645134).

The spelling of 121343302013 in words is "one hundred twenty-one billion, three hundred forty-three million, three hundred two thousand, thirteen".