12022228838 has 4 divisors (see below), whose sum is σ = 18033343260. Its totient is φ = 6011114418.

The previous prime is 12022228837. The next prime is 12022228843. The reversal of 12022228838 is 83882222021.

12022228838 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.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022228837) 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, 3005557208 + ... + 3005557211.

It is an arithmetic number, because the mean of its divisors is an integer number (4508335815).

Almost surely, 2^12022228838 is an apocalyptic number.

12022228838 is a deficient number, since it is larger than the sum of its proper divisors (6011114422).

12022228838 is an equidigital number, since it uses as much as digits as its factorization.

12022228838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011114421.

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 12022228838 in words is "twelve billion, twenty-two million, two hundred twenty-eight thousand, eight hundred thirty-eight".