12531241364233 has 2 divisors, whose sum is σ = 12531241364234. Its totient is φ = 12531241364232.

The previous prime is 12531241364189. The next prime is 12531241364237. The reversal of 12531241364233 is 33246314213521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11072975001664 + 1458266362569 = 3327608^2 + 1207587^2 .

It is a cyclic number.

It is not a de Polignac number, because 12531241364233 - 2³³ = 12522651429641 is a prime.

It is not a weakly prime, because it can be changed into another prime (12531241364237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265620682116 + 6265620682117.

It is an arithmetic number, because the mean of its divisors is an integer number (6265620682117).

Almost surely, 2^{12531241364233} is an apocalyptic number.

It is an amenable number.

12531241364233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12531241364233 is an equidigital number, since it uses as much as digits as its factorization.

12531241364233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

Adding to 12531241364233 its reverse (33246314213521), we get a palindrome (45777555577754).

The spelling of 12531241364233 in words is "twelve trillion, five hundred thirty-one billion, two hundred forty-one million, three hundred sixty-four thousand, two hundred thirty-three".