42104012 has 12 divisors (see below), whose sum is σ = 73793496. Its totient is φ = 21020160.

The previous prime is 42104011. The next prime is 42104017. The reversal of 42104012 is 21040124.

It is a super-2 number, since 2×42104012² = 3545495652992288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42104011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4853 + ... + 10380.

It is an arithmetic number, because the mean of its divisors is an integer number (6149458).

Almost surely, 2^42104012 is an apocalyptic number.

It is an amenable number.

42104012 is a deficient number, since it is larger than the sum of its proper divisors (31689484).

42104012 is a wasteful number, since it uses less digits than its factorization.

42104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928 (or 15926 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42104012 is about 6488.7604363237. The cubic root of 42104012 is about 347.8893711854.

Adding to 42104012 its product of nonzero digits (64), we get a triangular number (42104076 = T₉₁₇₆).

Adding to 42104012 its reverse (21040124), we get a palindrome (63144136).

The spelling of 42104012 in words is "forty-two million, one hundred four thousand, twelve".