12231404442 has 48 divisors (see below), whose sum is σ = 26894058048. Its totient is φ = 4016806080.

The previous prime is 12231404429. The next prime is 12231404473. The reversal of 12231404442 is 24440413221.

12231404442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2442313 + ... + 2447315.

It is an arithmetic number, because the mean of its divisors is an integer number (560292876).

Almost surely, 2^12231404442 is an apocalyptic number.

12231404442 is an abundant number, since it is smaller than the sum of its proper divisors (14662653606).

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

12231404442 is a wasteful number, since it uses less digits than its factorization.

12231404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995 (or 6992 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12231404442 its reverse (24440413221), we get a palindrome (36671817663).

The spelling of 12231404442 in words is "twelve billion, two hundred thirty-one million, four hundred four thousand, four hundred forty-two".