12840073345 has 16 divisors (see below), whose sum is σ = 16815281472. Its totient is φ = 9334647360.

The previous prime is 12840073319. The next prime is 12840073381. The reversal of 12840073345 is 54337004821.

It is a happy number.

It is not a de Polignac number, because 12840073345 - 2¹³ = 12840065153 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 104059 + ... + 191071.

It is an arithmetic number, because the mean of its divisors is an integer number (1050955092).

Almost surely, 2^12840073345 is an apocalyptic number.

It is an amenable number.

12840073345 is a deficient number, since it is larger than the sum of its proper divisors (3975208127).

12840073345 is a wasteful number, since it uses less digits than its factorization.

12840073345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89712.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 12840073345 in words is "twelve billion, eight hundred forty million, seventy-three thousand, three hundred forty-five".