42124403213 has 8 divisors (see below), whose sum is σ = 42204195000. Its totient is φ = 42044663808.

The previous prime is 42124403203. The next prime is 42124403219. The reversal of 42124403213 is 31230442124.

It can be written as a sum of positive squares in 4 ways, for example, as 2452527529 + 39671875684 = 49523^2 + 199178^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42124403213 - 2²⁴ = 42107625997 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 (42124403219) 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 7 ways as a sum of consecutive naturals, for example, 1838693 + ... + 1861461.

It is an arithmetic number, because the mean of its divisors is an integer number (5275524375).

Almost surely, 2^42124403213 is an apocalyptic number.

It is an amenable number.

42124403213 is a deficient number, since it is larger than the sum of its proper divisors (79791787).

42124403213 is a wasteful number, since it uses less digits than its factorization.

42124403213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26191.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42124403213 its reverse (31230442124), we get a palindrome (73354845337).

The spelling of 42124403213 in words is "forty-two billion, one hundred twenty-four million, four hundred three thousand, two hundred thirteen".