12455678045 has 8 divisors (see below), whose sum is σ = 15094802520. Its totient is φ = 9865883200.

The previous prime is 12455678021. The next prime is 12455678101. The reversal of 12455678045 is 54087655421.

12455678045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 669101689 + 11786576356 = 25867^2 + 108566^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12455678045 - 2²⁰ = 12454629469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12331850 + ... + 12332859.

It is an arithmetic number, because the mean of its divisors is an integer number (1886850315).

Almost surely, 2^12455678045 is an apocalyptic number.

It is an amenable number.

12455678045 is a deficient number, since it is larger than the sum of its proper divisors (2639124475).

12455678045 is a wasteful number, since it uses less digits than its factorization.

12455678045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24664815.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 12455678045 in words is "twelve billion, four hundred fifty-five million, six hundred seventy-eight thousand, forty-five".