12345516246247 has 2 divisors, whose sum is σ = 12345516246248. Its totient is φ = 12345516246246.

The previous prime is 12345516246233. The next prime is 12345516246251. The reversal of 12345516246247 is 74264261554321.

12345516246247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12345516246247 - 2¹¹ = 12345516244199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12345516246194 and 12345516246203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12345516256247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172758123123 + 6172758123124.

It is an arithmetic number, because the mean of its divisors is an integer number (6172758123124).

Almost surely, 2^{12345516246247} is an apocalyptic number.

12345516246247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345516246247 is an equidigital number, since it uses as much as digits as its factorization.

12345516246247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 52.

The spelling of 12345516246247 in words is "twelve trillion, three hundred forty-five billion, five hundred sixteen million, two hundred forty-six thousand, two hundred forty-seven".