12123000947 has 2 divisors, whose sum is σ = 12123000948. Its totient is φ = 12123000946.

The previous prime is 12123000913. The next prime is 12123000961. The reversal of 12123000947 is 74900032121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12123000947 - 2⁸ = 12123000691 is a prime.

It is not a weakly prime, because it can be changed into another prime (12123000907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061500473 + 6061500474.

It is an arithmetic number, because the mean of its divisors is an integer number (6061500474).

Almost surely, 2^12123000947 is an apocalyptic number.

12123000947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123000947 is an equidigital number, since it uses as much as digits as its factorization.

12123000947 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 29.

The spelling of 12123000947 in words is "twelve billion, one hundred twenty-three million, nine hundred forty-seven", and thus it is an aban number.