12219751786783 has 2 divisors, whose sum is σ = 12219751786784. Its totient is φ = 12219751786782.

The previous prime is 12219751786771. The next prime is 12219751786793. The reversal of 12219751786783 is 38768715791221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12219751786783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12219751786733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6109875893391 + 6109875893392.

It is an arithmetic number, because the mean of its divisors is an integer number (6109875893392).

Almost surely, 2^{12219751786783} is an apocalyptic number.

12219751786783 is a deficient number, since it is larger than the sum of its proper divisors (1).

12219751786783 is an equidigital number, since it uses as much as digits as its factorization.

12219751786783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71124480, while the sum is 67.

The spelling of 12219751786783 in words is "twelve trillion, two hundred nineteen billion, seven hundred fifty-one million, seven hundred eighty-six thousand, seven hundred eighty-three".