12422378882 has 4 divisors (see below), whose sum is σ = 18633568326. Its totient is φ = 6211189440.

The previous prime is 12422378831. The next prime is 12422378887. The reversal of 12422378882 is 28887322421.

12422378882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28887322421 = 151 ⋅191306771.

It can be written as a sum of positive squares in only one way, i.e., 12414193561 + 8185321 = 111419^2 + 2861^2 .

It is not an unprimeable number, because it can be changed into a prime (12422378887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105594719 + ... + 3105594722.

Almost surely, 2^12422378882 is an apocalyptic number.

12422378882 is a deficient number, since it is larger than the sum of its proper divisors (6211189444).

12422378882 is an equidigital number, since it uses as much as digits as its factorization.

12422378882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211189443.

The product of its digits is 688128, while the sum is 47.

The spelling of 12422378882 in words is "twelve billion, four hundred twenty-two million, three hundred seventy-eight thousand, eight hundred eighty-two".