12486414881858 has 8 divisors (see below), whose sum is σ = 18729637491852. Its totient is φ = 6243202384576.

The previous prime is 12486414881851. The next prime is 12486414881923. The reversal of 12486414881858 is 85818841468421.

It can be written as a sum of positive squares in 2 ways, for example, as 12465793060249 + 20621821609 = 3530693^2 + 143603^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12486414881851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828966 + ... + 5742462.

Almost surely, 2^{12486414881858} is an apocalyptic number.

12486414881858 is a deficient number, since it is larger than the sum of its proper divisors (6243222609994).

12486414881858 is a wasteful number, since it uses less digits than its factorization.

12486414881858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056356.

The product of its digits is 125829120, while the sum is 68.

The spelling of 12486414881858 in words is "twelve trillion, four hundred eighty-six billion, four hundred fourteen million, eight hundred eighty-one thousand, eight hundred fifty-eight".