12578245058 has 4 divisors (see below), whose sum is σ = 18867367590. Its totient is φ = 6289122528.

The previous prime is 12578245027. The next prime is 12578245091. The reversal of 12578245058 is 85054287521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85054287521 = 7 ⋅12150612503.

It can be written as a sum of positive squares in only one way, i.e., 8842957369 + 3735287689 = 94037^2 + 61117^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3144561263 + ... + 3144561266.

Almost surely, 2^12578245058 is an apocalyptic number.

12578245058 is a deficient number, since it is larger than the sum of its proper divisors (6289122532).

12578245058 is an equidigital number, since it uses as much as digits as its factorization.

12578245058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289122531.

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 12578245058 in words is "twelve billion, five hundred seventy-eight million, two hundred forty-five thousand, fifty-eight".