42012103204 has 24 divisors (see below), whose sum is σ = 75464258688. Its totient is φ = 20452925760.

The previous prime is 42012103157. The next prime is 42012103207. The reversal of 42012103204 is 40230121024.

It is not an unprimeable number, because it can be changed into a prime (42012103207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172152 + ... + 337135.

It is an arithmetic number, because the mean of its divisors is an integer number (3144344112).

Almost surely, 2^42012103204 is an apocalyptic number.

It is an amenable number.

42012103204 is a deficient number, since it is larger than the sum of its proper divisors (33452155484).

42012103204 is a wasteful number, since it uses less digits than its factorization.

42012103204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509835 (or 509833 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 42012103204 its reverse (40230121024), we get a palindrome (82242224228).

The spelling of 42012103204 in words is "forty-two billion, twelve million, one hundred three thousand, two hundred four".