12110987243 has 2 divisors, whose sum is σ = 12110987244. Its totient is φ = 12110987242.

The previous prime is 12110987209. The next prime is 12110987257. The reversal of 12110987243 is 34278901121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12110987243 - 2⁶ = 12110987179 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110987197 and 12110987206.

It is not a weakly prime, because it can be changed into another prime (12110987263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055493621 + 6055493622.

It is an arithmetic number, because the mean of its divisors is an integer number (6055493622).

Almost surely, 2^12110987243 is an apocalyptic number.

12110987243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110987243 is an equidigital number, since it uses as much as digits as its factorization.

12110987243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 12110987243 in words is "twelve billion, one hundred ten million, nine hundred eighty-seven thousand, two hundred forty-three".