42120718322327 has 4 divisors (see below), whose sum is σ = 42120751221720. Its totient is φ = 42120685422936.

The previous prime is 42120718322321. The next prime is 42120718322339. The reversal of 42120718322327 is 72322381702124.

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

It is a cyclic number.

It is not a de Polignac number, because 42120718322327 - 2²⁶ = 42120651213463 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 (42120718322321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14448077 + ... + 17116902.

It is an arithmetic number, because the mean of its divisors is an integer number (10530187805430).

Almost surely, 2^{42120718322327} is an apocalyptic number.

42120718322327 is a deficient number, since it is larger than the sum of its proper divisors (32899393).

42120718322327 is a wasteful number, since it uses less digits than its factorization.

42120718322327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32899392.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 42120718322327 in words is "forty-two trillion, one hundred twenty billion, seven hundred eighteen million, three hundred twenty-two thousand, three hundred twenty-seven".