12988427543074 has 4 divisors (see below), whose sum is σ = 19482641314614. Its totient is φ = 6494213771536.

The previous prime is 12988427543017. The next prime is 12988427543087. The reversal of 12988427543074 is 47034572488921.

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

It can be written as a sum of positive squares in only one way, i.e., 12976096995225 + 12330547849 = 3602235^2 + 111043^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12988427542997 and 12988427543015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247106885767 + ... + 3247106885770.

Almost surely, 2^{12988427543074} is an apocalyptic number.

12988427543074 is a deficient number, since it is larger than the sum of its proper divisors (6494213771540).

12988427543074 is an equidigital number, since it uses as much as digits as its factorization.

12988427543074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494213771539.

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 12988427543074 in words is "twelve trillion, nine hundred eighty-eight billion, four hundred twenty-seven million, five hundred forty-three thousand, seventy-four".