12678310485 has 32 divisors (see below), whose sum is σ = 23088965760. Its totient is φ = 6596841600.

The previous prime is 12678310483. The next prime is 12678310487. The reversal of 12678310485 is 58401387621.

It is an interprime number because it is at equal distance from previous prime (12678310483) and next prime (12678310487).

It is not a de Polignac number, because 12678310485 - 2¹ = 12678310483 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12678310485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12678310483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1139751 + ... + 1150820.

It is an arithmetic number, because the mean of its divisors is an integer number (721530180).

Almost surely, 2^12678310485 is an apocalyptic number.

12678310485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12678310485 is a deficient number, since it is larger than the sum of its proper divisors (10410655275).

12678310485 is a wasteful number, since it uses less digits than its factorization.

12678310485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290626 (or 2290620 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 12678310485 in words is "twelve billion, six hundred seventy-eight million, three hundred ten thousand, four hundred eighty-five".