12444212044 has 24 divisors (see below), whose sum is σ = 23765687568. Its totient is φ = 5654423040.

The previous prime is 12444212021. The next prime is 12444212057. The reversal of 12444212044 is 44021244421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76212 + ... + 175204.

It is an arithmetic number, because the mean of its divisors is an integer number (990236982).

Almost surely, 2^12444212044 is an apocalyptic number.

It is an amenable number.

12444212044 is a deficient number, since it is larger than the sum of its proper divisors (11321475524).

12444212044 is a wasteful number, since it uses less digits than its factorization.

12444212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101865 (or 101863 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 12444212044 its reverse (44021244421), we get a palindrome (56465456465).

The spelling of 12444212044 in words is "twelve billion, four hundred forty-four million, two hundred twelve thousand, forty-four".