42113212213 has 4 divisors (see below), whose sum is σ = 42141611008. Its totient is φ = 42084813420.

The previous prime is 42113212181. The next prime is 42113212249. The reversal of 42113212213 is 31221231124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42113212213 - 2⁵ = 42113212181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42113212013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14197173 + ... + 14200138.

It is an arithmetic number, because the mean of its divisors is an integer number (10535402752).

Almost surely, 2^42113212213 is an apocalyptic number.

It is an amenable number.

42113212213 is a deficient number, since it is larger than the sum of its proper divisors (28398795).

42113212213 is a wasteful number, since it uses less digits than its factorization.

42113212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28398794.

The product of its digits is 576, while the sum is 22.

Adding to 42113212213 its reverse (31221231124), we get a palindrome (73334443337).

The spelling of 42113212213 in words is "forty-two billion, one hundred thirteen million, two hundred twelve thousand, two hundred thirteen".