121340320307 has 2 divisors, whose sum is σ = 121340320308. Its totient is φ = 121340320306.

The previous prime is 121340320303. The next prime is 121340320357. The reversal of 121340320307 is 703023043121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121340320307 - 2² = 121340320303 is a prime.

It is not a weakly prime, because it can be changed into another prime (121340320303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670160153 + 60670160154.

It is an arithmetic number, because the mean of its divisors is an integer number (60670160154).

Almost surely, 2^121340320307 is an apocalyptic number.

121340320307 is a deficient number, since it is larger than the sum of its proper divisors (1).

121340320307 is an equidigital number, since it uses as much as digits as its factorization.

121340320307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 121340320307 its reverse (703023043121), we get a palindrome (824363363428).

The spelling of 121340320307 in words is "one hundred twenty-one billion, three hundred forty million, three hundred twenty thousand, three hundred seven".