42104034212113 has 4 divisors (see below), whose sum is σ = 42104058292660. Its totient is φ = 42104010131568.

The previous prime is 42104034212101. The next prime is 42104034212143. The reversal of 42104034212113 is 31121243040124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20663643049984 + 21440391162129 = 4545728^2 + 4630377^2 .

It is a cyclic number.

It is not a de Polignac number, because 42104034212113 - 2⁴⁵ = 6919662123281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42104034212143) 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, 9193158 + ... + 12989311.

It is an arithmetic number, because the mean of its divisors is an integer number (10526014573165).

Almost surely, 2^{42104034212113} is an apocalyptic number.

It is an amenable number.

42104034212113 is a deficient number, since it is larger than the sum of its proper divisors (24080547).

42104034212113 is a wasteful number, since it uses less digits than its factorization.

42104034212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24080546.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 42104034212113 its reverse (31121243040124), we get a palindrome (73225277252237).

The spelling of 42104034212113 in words is "forty-two trillion, one hundred four billion, thirty-four million, two hundred twelve thousand, one hundred thirteen".