12237748839647 has 2 divisors, whose sum is σ = 12237748839648. Its totient is φ = 12237748839646.

The previous prime is 12237748839637. The next prime is 12237748839709. The reversal of 12237748839647 is 74693884773221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12237748839647 - 2⁸ = 12237748839391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12237748839637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6118874419823 + 6118874419824.

It is an arithmetic number, because the mean of its divisors is an integer number (6118874419824).

Almost surely, 2^{12237748839647} is an apocalyptic number.

12237748839647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12237748839647 is an equidigital number, since it uses as much as digits as its factorization.

12237748839647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 682795008, while the sum is 71.

The spelling of 12237748839647 in words is "twelve trillion, two hundred thirty-seven billion, seven hundred forty-eight million, eight hundred thirty-nine thousand, six hundred forty-seven".