12009103822 has 4 divisors (see below), whose sum is σ = 18013655736. Its totient is φ = 6004551910.

The previous prime is 12009103793. The next prime is 12009103829. The reversal of 12009103822 is 22830190021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22830190021 = 89 ⋅256518989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12009103829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002275954 + ... + 3002275957.

It is an arithmetic number, because the mean of its divisors is an integer number (4503413934).

Almost surely, 2^12009103822 is an apocalyptic number.

12009103822 is a deficient number, since it is larger than the sum of its proper divisors (6004551914).

12009103822 is an equidigital number, since it uses as much as digits as its factorization.

12009103822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004551913.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 12009103822 its reverse (22830190021), we get a palindrome (34839293843).

The spelling of 12009103822 in words is "twelve billion, nine million, one hundred three thousand, eight hundred twenty-two".