12078383545469 has 2 divisors, whose sum is σ = 12078383545470. Its totient is φ = 12078383545468.

The previous prime is 12078383545411. The next prime is 12078383545507. The reversal of 12078383545469 is 96454538387021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11774595176569 + 303788368900 = 3431413^2 + 551170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12078383545469 is a prime.

It is a super-2 number, since 2×12078383545469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12078383545169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6039191772734 + 6039191772735.

It is an arithmetic number, because the mean of its divisors is an integer number (6039191772735).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12078383545469 = 24156767090938, but 3⋅12078383545469 = 36235150636407 is not.

Almost surely, 2^{12078383545469} is an apocalyptic number.

It is an amenable number.

12078383545469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12078383545469 is an equidigital number, since it uses as much as digits as its factorization.

12078383545469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174182400, while the sum is 65.

The spelling of 12078383545469 in words is "twelve trillion, seventy-eight billion, three hundred eighty-three million, five hundred forty-five thousand, four hundred sixty-nine".