12003534547 has 2 divisors, whose sum is σ = 12003534548. Its totient is φ = 12003534546.

The previous prime is 12003534523. The next prime is 12003534551. The reversal of 12003534547 is 74543530021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12003534547 - 2⁷ = 12003534419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12003532547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001767273 + 6001767274.

It is an arithmetic number, because the mean of its divisors is an integer number (6001767274).

Almost surely, 2^12003534547 is an apocalyptic number.

12003534547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003534547 is an equidigital number, since it uses as much as digits as its factorization.

12003534547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 12003534547 in words is "twelve billion, three million, five hundred thirty-four thousand, five hundred forty-seven".