12458416857 has 16 divisors (see below), whose sum is σ = 16943497920. Its totient is φ = 8139822912.

The previous prime is 12458416837. The next prime is 12458416871. The reversal of 12458416857 is 75861485421.

It is a happy number.

It is not a de Polignac number, because 12458416857 - 2¹¹ = 12458414809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12458416837) 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, 101019 + ... + 187407.

It is an arithmetic number, because the mean of its divisors is an integer number (1058968620).

Almost surely, 2^12458416857 is an apocalyptic number.

It is an amenable number.

12458416857 is a deficient number, since it is larger than the sum of its proper divisors (4485081063).

12458416857 is an equidigital number, since it uses as much as digits as its factorization.

12458416857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87352.

The product of its digits is 2150400, while the sum is 51.

The spelling of 12458416857 in words is "twelve billion, four hundred fifty-eight million, four hundred sixteen thousand, eight hundred fifty-seven".