12359800459898 has 4 divisors (see below), whose sum is σ = 18539700689850. Its totient is φ = 6179900229948.

The previous prime is 12359800459889. The next prime is 12359800459907. The reversal of 12359800459898 is 89895400895321.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12359800459889) and next prime (12359800459907).

It can be written as a sum of positive squares in only one way, i.e., 12183918359209 + 175882100689 = 3490547^2 + 419383^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3089950114973 + ... + 3089950114976.

Almost surely, 2^{12359800459898} is an apocalyptic number.

12359800459898 is a deficient number, since it is larger than the sum of its proper divisors (6179900229952).

12359800459898 is an equidigital number, since it uses as much as digits as its factorization.

12359800459898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179900229951.

The product of its (nonzero) digits is 223948800, while the sum is 71.

The spelling of 12359800459898 in words is "twelve trillion, three hundred fifty-nine billion, eight hundred million, four hundred fifty-nine thousand, eight hundred ninety-eight".