121302000013 has 2 divisors, whose sum is σ = 121302000014. Its totient is φ = 121302000012.

The previous prime is 121301999941. The next prime is 121302000019. The reversal of 121302000013 is 310000203121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69433304004 + 51868696009 = 263502^2 + 227747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121302000013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301999957 and 121302000002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121302000019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651000006 + 60651000007.

It is an arithmetic number, because the mean of its divisors is an integer number (60651000007).

Almost surely, 2^121302000013 is an apocalyptic number.

It is an amenable number.

121302000013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121302000013 is an equidigital number, since it uses as much as digits as its factorization.

121302000013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 121302000013 its reverse (310000203121), we get a palindrome (431302203134).

The spelling of 121302000013 in words is "one hundred twenty-one billion, three hundred two million, thirteen", and thus it is an aban number.