121310230300213 has 2 divisors, whose sum is σ = 121310230300214. Its totient is φ = 121310230300212.

The previous prime is 121310230300109. The next prime is 121310230300279. The reversal of 121310230300213 is 312003032013121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118724058147249 + 2586172152964 = 10896057^2 + 1608158^2 .

It is a cyclic number.

It is not a de Polignac number, because 121310230300213 - 2⁹ = 121310230299701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121310230300913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655115150106 + 60655115150107.

It is an arithmetic number, because the mean of its divisors is an integer number (60655115150107).

Almost surely, 2^{121310230300213} is an apocalyptic number.

It is an amenable number.

121310230300213 is a deficient number, since it is larger than the sum of its proper divisors (1).

121310230300213 is an equidigital number, since it uses as much as digits as its factorization.

121310230300213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121310230300213 its reverse (312003032013121), we get a palindrome (433313262313334).

The spelling of 121310230300213 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred thirty million, three hundred thousand, two hundred thirteen".