12442343004 has 144 divisors (see below), whose sum is σ = 39287958528. Its totient is φ = 3232462464.

The previous prime is 12442342999. The next prime is 12442343009. The reversal of 12442343004 is 40034324421.

It is a happy number.

12442343004 is a `hidden beast` number, since 124 + 4 + 234 + 300 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (12442342999) and next prime (12442343009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442343009) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 191149 + ... + 247835.

Almost surely, 2^12442343004 is an apocalyptic number.

12442343004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12442343004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19643979264).

12442343004 is an abundant number, since it is smaller than the sum of its proper divisors (26845615524).

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

12442343004 is a wasteful number, since it uses less digits than its factorization.

12442343004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56784 (or 56779 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12442343004 its reverse (40034324421), we get a palindrome (52476667425).

The spelling of 12442343004 in words is "twelve billion, four hundred forty-two million, three hundred forty-three thousand, four".