12998489042 has 64 divisors (see below), whose sum is σ = 24610231296. Its totient is φ = 5001860160.

The previous prime is 12998489039. The next prime is 12998489087. The reversal of 12998489042 is 24098489921.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6540773 + ... + 6542759.

It is an arithmetic number, because the mean of its divisors is an integer number (384534864).

Almost surely, 2^12998489042 is an apocalyptic number.

12998489042 is a deficient number, since it is larger than the sum of its proper divisors (11611742254).

12998489042 is a wasteful number, since it uses less digits than its factorization.

12998489042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 12998489042 in words is "twelve billion, nine hundred ninety-eight million, four hundred eighty-nine thousand, forty-two".