12392778089233 has 2 divisors, whose sum is σ = 12392778089234. Its totient is φ = 12392778089232.

The previous prime is 12392778089221. The next prime is 12392778089257. The reversal of 12392778089233 is 33298087729321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12040573822209 + 352204267024 = 3469953^2 + 593468^2 .

It is a cyclic number.

It is not a de Polignac number, because 12392778089233 - 2³⁷ = 12255339135761 is a prime.

It is not a weakly prime, because it can be changed into another prime (12392778039233) 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, 6196389044616 + 6196389044617.

It is an arithmetic number, because the mean of its divisors is an integer number (6196389044617).

Almost surely, 2^{12392778089233} is an apocalyptic number.

It is an amenable number.

12392778089233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12392778089233 is an equidigital number, since it uses as much as digits as its factorization.

12392778089233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 12392778089233 in words is "twelve trillion, three hundred ninety-two billion, seven hundred seventy-eight million, eighty-nine thousand, two hundred thirty-three".