42132324121 has 4 divisors (see below), whose sum is σ = 42267798144. Its totient is φ = 41996850100.

The previous prime is 42132324097. The next prime is 42132324139. The reversal of 42132324121 is 12142323124.

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 42132324121 - 2⁵ = 42132324089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42132324721) 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, 67736545 + ... + 67737166.

It is an arithmetic number, because the mean of its divisors is an integer number (10566949536).

Almost surely, 2^42132324121 is an apocalyptic number.

It is an amenable number.

42132324121 is a deficient number, since it is larger than the sum of its proper divisors (135474023).

42132324121 is a wasteful number, since it uses less digits than its factorization.

42132324121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135474022.

The product of its digits is 2304, while the sum is 25.

Adding to 42132324121 its reverse (12142323124), we get a palindrome (54274647245).

The spelling of 42132324121 in words is "forty-two billion, one hundred thirty-two million, three hundred twenty-four thousand, one hundred twenty-one".