12878762232 has 128 divisors (see below), whose sum is σ = 39333288960. Its totient is φ = 3433774080.

The previous prime is 12878762227. The next prime is 12878762249. The reversal of 12878762232 is 23226787821.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 117778 + ... + 199070.

It is an arithmetic number, because the mean of its divisors is an integer number (307291320).

Almost surely, 2^12878762232 is an apocalyptic number.

12878762232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12878762232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19666644480).

12878762232 is an abundant number, since it is smaller than the sum of its proper divisors (26454526728).

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

12878762232 is a wasteful number, since it uses less digits than its factorization.

12878762232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81373 (or 81369 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The spelling of 12878762232 in words is "twelve billion, eight hundred seventy-eight million, seven hundred sixty-two thousand, two hundred thirty-two".