12480390458 has 4 divisors (see below), whose sum is σ = 18720585690. Its totient is φ = 6240195228.

The previous prime is 12480390427. The next prime is 12480390467. The reversal of 12480390458 is 85409308421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85409308421 = 19 ⋅4495226759.

It can be written as a sum of positive squares in only one way, i.e., 9672132409 + 2808258049 = 98347^2 + 52993^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120097613 + ... + 3120097616.

Almost surely, 2^12480390458 is an apocalyptic number.

12480390458 is a deficient number, since it is larger than the sum of its proper divisors (6240195232).

12480390458 is an equidigital number, since it uses as much as digits as its factorization.

12480390458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240195231.

The product of its (nonzero) digits is 276480, while the sum is 44.

Adding to 12480390458 its reverse (85409308421), we get a palindrome (97889698879).

The spelling of 12480390458 in words is "twelve billion, four hundred eighty million, three hundred ninety thousand, four hundred fifty-eight".