12598227856 has 40 divisors (see below), whose sum is σ = 25827002720. Its totient is φ = 5936633856.

The previous prime is 12598227853. The next prime is 12598227869. The reversal of 12598227856 is 65872289521.

It is a super-2 number, since 2×12598227856² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12598227797 and 12598227806.

It is not an unprimeable number, because it can be changed into a prime (12598227853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48690 + ... + 166033.

It is an arithmetic number, because the mean of its divisors is an integer number (645675068).

Almost surely, 2^12598227856 is an apocalyptic number.

12598227856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12598227856 is an abundant number, since it is smaller than the sum of its proper divisors (13228774864).

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

12598227856 is a wasteful number, since it uses less digits than its factorization.

12598227856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214943 (or 214937 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 55.

The spelling of 12598227856 in words is "twelve billion, five hundred ninety-eight million, two hundred twenty-seven thousand, eight hundred fifty-six".