12001241505503 has 2 divisors, whose sum is σ = 12001241505504. Its totient is φ = 12001241505502.

The previous prime is 12001241505493. The next prime is 12001241505527. The reversal of 12001241505503 is 30550514210021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001241505503 - 2⁶ = 12001241505439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001246505503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000620752751 + 6000620752752.

It is an arithmetic number, because the mean of its divisors is an integer number (6000620752752).

Almost surely, 2^{12001241505503} is an apocalyptic number.

12001241505503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001241505503 is an equidigital number, since it uses as much as digits as its factorization.

12001241505503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 12001241505503 its reverse (30550514210021), we get a palindrome (42551755715524).

The spelling of 12001241505503 in words is "twelve trillion, one billion, two hundred forty-one million, five hundred five thousand, five hundred three".