42012103104 has 84 divisors (see below), whose sum is σ = 121025564400. Its totient is φ = 13933624320.

The previous prime is 42012103103. The next prime is 42012103121. The reversal of 42012103104 is 40130121024.

42012103104 is a `hidden beast` number, since 420 + 1 + 210 + 31 + 0 + 4 = 666.

It is a super-2 number, since 2×42012103104² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012103103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68637 + ... + 297884.

Almost surely, 2^42012103104 is an apocalyptic number.

It is an amenable number.

42012103104 is an abundant number, since it is smaller than the sum of its proper divisors (79013461296).

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

42012103104 is a wasteful number, since it uses less digits than its factorization.

42012103104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366738 (or 366725 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42012103104 its reverse (40130121024), we get a palindrome (82142224128).

The spelling of 42012103104 in words is "forty-two billion, twelve million, one hundred three thousand, one hundred four".