42004304012 has 24 divisors (see below), whose sum is σ = 81896209920. Its totient is φ = 18686633360.

The previous prime is 42004304009. The next prime is 42004304077. The reversal of 42004304012 is 21040340024.

It is a super-2 number, since 2×42004304012² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 10153712 + ... + 10157847.

It is an arithmetic number, because the mean of its divisors is an integer number (3412342080).

Almost surely, 2^42004304012 is an apocalyptic number.

It is an amenable number.

42004304012 is a deficient number, since it is larger than the sum of its proper divisors (39891905908).

42004304012 is a wasteful number, since it uses less digits than its factorization.

42004304012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311621 (or 20311619 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42004304012 its reverse (21040340024), we get a palindrome (63044644036).

The spelling of 42004304012 in words is "forty-two billion, four million, three hundred four thousand, twelve".