12289598326228 has 12 divisors (see below), whose sum is σ = 21748446476820. Its totient is φ = 6075756475712.

The previous prime is 12289598326193. The next prime is 12289598326231. The reversal of 12289598326228 is 82262389598221.

It can be written as a sum of positive squares in 2 ways, for example, as 1038793100944 + 11250805225284 = 1019212^2 + 3354222^2 .

It is a super-2 number, since 2×12289598326228² (a number of 27 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, 17260671451 + ... + 17260672162.

It is an arithmetic number, because the mean of its divisors is an integer number (1812370539735).

Almost surely, 2^{12289598326228} is an apocalyptic number.

It is an amenable number.

12289598326228 is a deficient number, since it is larger than the sum of its proper divisors (9458848150592).

12289598326228 is a wasteful number, since it uses less digits than its factorization.

12289598326228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34521343706 (or 34521343704 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 67.

The spelling of 12289598326228 in words is "twelve trillion, two hundred eighty-nine billion, five hundred ninety-eight million, three hundred twenty-six thousand, two hundred twenty-eight".