12310780243 has 2 divisors, whose sum is σ = 12310780244. Its totient is φ = 12310780242.

The previous prime is 12310780211. The next prime is 12310780259. The reversal of 12310780243 is 34208701321.

It is a strong prime.

It is an emirp because it is prime and its reverse (34208701321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12310780243 - 2⁵ = 12310780211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12310780283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155390121 + 6155390122.

It is an arithmetic number, because the mean of its divisors is an integer number (6155390122).

Almost surely, 2^12310780243 is an apocalyptic number.

12310780243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310780243 is an equidigital number, since it uses as much as digits as its factorization.

12310780243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 12310780243 in words is "twelve billion, three hundred ten million, seven hundred eighty thousand, two hundred forty-three".