12051663047 has 2 divisors, whose sum is σ = 12051663048. Its totient is φ = 12051663046.

The previous prime is 12051663031. The next prime is 12051663077. The reversal of 12051663047 is 74036615021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12051663047 - 2⁴ = 12051663031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12051662998 and 12051663016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12051663017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025831523 + 6025831524.

It is an arithmetic number, because the mean of its divisors is an integer number (6025831524).

Almost surely, 2^12051663047 is an apocalyptic number.

12051663047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12051663047 is an equidigital number, since it uses as much as digits as its factorization.

12051663047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12051663047 in words is "twelve billion, fifty-one million, six hundred sixty-three thousand, forty-seven".