12884386452 has 48 divisors (see below), whose sum is σ = 35543141760. Its totient is φ = 3554312832.

The previous prime is 12884386397. The next prime is 12884386453. The reversal of 12884386452 is 25468348821.

It is a super-2 number, since 2×12884386452² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12884386395 and 12884386404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12884386453) 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 15 ways as a sum of consecutive naturals, for example, 2642143 + ... + 2647014.

It is an arithmetic number, because the mean of its divisors is an integer number (740482120).

Almost surely, 2^12884386452 is an apocalyptic number.

12884386452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12884386452 is an abundant number, since it is smaller than the sum of its proper divisors (22658755308).

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

12884386452 is a wasteful number, since it uses less digits than its factorization.

12884386452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289200 (or 5289198 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 51.

The spelling of 12884386452 in words is "twelve billion, eight hundred eighty-four million, three hundred eighty-six thousand, four hundred fifty-two".