12320404122 has 32 divisors (see below), whose sum is σ = 26793906048. Its totient is φ = 3754086336.

The previous prime is 12320404093. The next prime is 12320404141. The reversal of 12320404122 is 22140402321.

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 15 ways as a sum of consecutive naturals, for example, 758733 + ... + 774800.

It is an arithmetic number, because the mean of its divisors is an integer number (837309564).

Almost surely, 2^12320404122 is an apocalyptic number.

12320404122 is an abundant number, since it is smaller than the sum of its proper divisors (14473501926).

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

12320404122 is a wasteful number, since it uses less digits than its factorization.

12320404122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533654.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12320404122 its reverse (22140402321), we get a palindrome (34460806443).

The spelling of 12320404122 in words is "twelve billion, three hundred twenty million, four hundred four thousand, one hundred twenty-two".