12229723406 has 8 divisors (see below), whose sum is σ = 18369820560. Its totient is φ = 6106449888.

The previous prime is 12229723403. The next prime is 12229723411. The reversal of 12229723406 is 60432792221.

It is a happy number.

12229723406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12229723406² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12229723406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12229723403) 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 in 3 ways as a sum of consecutive naturals, for example, 4204091 + ... + 4206998.

It is an arithmetic number, because the mean of its divisors is an integer number (2296227570).

Almost surely, 2^12229723406 is an apocalyptic number.

12229723406 is a deficient number, since it is larger than the sum of its proper divisors (6140097154).

12229723406 is an equidigital number, since it uses as much as digits as its factorization.

12229723406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411818.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 12229723406 in words is "twelve billion, two hundred twenty-nine million, seven hundred twenty-three thousand, four hundred six".