12420143004 has 12 divisors (see below), whose sum is σ = 28980333704. Its totient is φ = 4140047664.

The previous prime is 12420142993. The next prime is 12420143009. The reversal of 12420143004 is 40034102421.

12420143004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420143009) 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, 517505947 + ... + 517505970.

Almost surely, 2^12420143004 is an apocalyptic number.

It is an amenable number.

12420143004 is an abundant number, since it is smaller than the sum of its proper divisors (16560190700).

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

12420143004 is a wasteful number, since it uses less digits than its factorization.

12420143004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035011924 (or 1035011922 counting only the distinct ones).

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

Adding to 12420143004 its reverse (40034102421), we get a palindrome (52454245425).

The spelling of 12420143004 in words is "twelve billion, four hundred twenty million, one hundred forty-three thousand, four".