12884532843 has 32 divisors (see below), whose sum is σ = 21220304896. Its totient is φ = 6771662208.

The previous prime is 12884532839. The next prime is 12884532851. The reversal of 12884532843 is 34823548821.

It is not a de Polignac number, because 12884532843 - 2² = 12884532839 is a prime.

It is a super-2 number, since 2×12884532843² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12884532792 and 12884532801.

It is not an unprimeable number, because it can be changed into a prime (12884532823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9571 + ... + 160812.

It is an arithmetic number, because the mean of its divisors is an integer number (663134528).

Almost surely, 2^12884532843 is an apocalyptic number.

12884532843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12884532843 is a deficient number, since it is larger than the sum of its proper divisors (8335772053).

12884532843 is a wasteful number, since it uses less digits than its factorization.

12884532843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170683.

The product of its digits is 1474560, while the sum is 48.

The spelling of 12884532843 in words is "twelve billion, eight hundred eighty-four million, five hundred thirty-two thousand, eight hundred forty-three".