12814520465842 has 8 divisors (see below), whose sum is σ = 19224088537500. Its totient is φ = 6406490953344.

The previous prime is 12814520465839. The next prime is 12814520465843. The reversal of 12814520465842 is 24856402541821.

It can be written as a sum of positive squares in 2 ways, for example, as 12685129901161 + 129390564681 = 3561619^2 + 359709^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12814520465842.

It is not an unprimeable number, because it can be changed into a prime (12814520465843) 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, 384618967 + ... + 384652282.

Almost surely, 2^{12814520465842} is an apocalyptic number.

12814520465842 is a deficient number, since it is larger than the sum of its proper divisors (6409568071658).

12814520465842 is an equidigital number, since it uses as much as digits as its factorization.

12814520465842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769279580.

The product of its (nonzero) digits is 4915200, while the sum is 52.

The spelling of 12814520465842 in words is "twelve trillion, eight hundred fourteen billion, five hundred twenty million, four hundred sixty-five thousand, eight hundred forty-two".