12605452433336 has 128 divisors (see below), whose sum is σ = 27436198435200. Its totient is φ = 5318128435200.

The previous prime is 12605452433243. The next prime is 12605452433359. The reversal of 12605452433336 is 63333425450621.

It is a congruent number.

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, 809642960 + ... + 809658528.

It is an arithmetic number, because the mean of its divisors is an integer number (214345300275).

Almost surely, 2^{12605452433336} 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 12605452433336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13718099217600).

12605452433336 is an abundant number, since it is smaller than the sum of its proper divisors (14830746001864).

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

12605452433336 is a wasteful number, since it uses less digits than its factorization.

12605452433336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16497 (or 16493 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 47.

Adding to 12605452433336 its reverse (63333425450621), we get a palindrome (75938877883957).

The spelling of 12605452433336 in words is "twelve trillion, six hundred five billion, four hundred fifty-two million, four hundred thirty-three thousand, three hundred thirty-six".