121320012011293 has 2 divisors, whose sum is σ = 121320012011294. Its totient is φ = 121320012011292.

The previous prime is 121320012011291. The next prime is 121320012011309. The reversal of 121320012011293 is 392110210023121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77907225821049 + 43412786190244 = 8826507^2 + 6588838^2 .

It is a cyclic number.

It is not a de Polignac number, because 121320012011293 - 2¹ = 121320012011291 is a prime.

Together with 121320012011291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121320012011291) 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, 60660006005646 + 60660006005647.

It is an arithmetic number, because the mean of its divisors is an integer number (60660006005647).

Almost surely, 2^{121320012011293} is an apocalyptic number.

It is an amenable number.

121320012011293 is a deficient number, since it is larger than the sum of its proper divisors (1).

121320012011293 is an equidigital number, since it uses as much as digits as its factorization.

121320012011293 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 28.

The spelling of 121320012011293 in words is "one hundred twenty-one trillion, three hundred twenty billion, twelve million, eleven thousand, two hundred ninety-three".