12578313045 has 16 divisors (see below), whose sum is σ = 20283770880. Its totient is φ = 6655610304.

The previous prime is 12578313029. The next prime is 12578313049. The reversal of 12578313045 is 54031387521.

It is a happy number.

It is not a de Polignac number, because 12578313045 - 2⁴ = 12578313029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12578312994 and 12578313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578313049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3299490 + ... + 3303299.

It is an arithmetic number, because the mean of its divisors is an integer number (1267735680).

Almost surely, 2^12578313045 is an apocalyptic number.

12578313045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12578313045 is a deficient number, since it is larger than the sum of its proper divisors (7705457835).

12578313045 is a wasteful number, since it uses less digits than its factorization.

12578313045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602924.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 12578313045 in words is "twelve billion, five hundred seventy-eight million, three hundred thirteen thousand, forty-five".