12798598144 has 44 divisors (see below), whose sum is σ = 25648091200. Its totient is φ = 6383443968.

The previous prime is 12798598139. The next prime is 12798598157. The reversal of 12798598144 is 44189589721.

It is a super-2 number, since 2×12798598144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403537 + ... + 434095.

Almost surely, 2^12798598144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12798598144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12824045600).

12798598144 is an abundant number, since it is smaller than the sum of its proper divisors (12849493056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12798598144 is an equidigital number, since it uses as much as digits as its factorization.

12798598144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30988 (or 30970 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The spelling of 12798598144 in words is "twelve billion, seven hundred ninety-eight million, five hundred ninety-eight thousand, one hundred forty-four".