42365036122 has 4 divisors (see below), whose sum is σ = 63547554186. Its totient is φ = 21182518060.

The previous prime is 42365036017. The next prime is 42365036123. The reversal of 42365036122 is 22163056324.

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

It can be written as a sum of positive squares in only one way, i.e., 31848328521 + 10516707601 = 178461^2 + 102551^2 .

It is not an unprimeable number, because it can be changed into a prime (42365036123) 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 as a sum of consecutive naturals, namely, 10591259029 + ... + 10591259032.

Almost surely, 2^42365036122 is an apocalyptic number.

42365036122 is a deficient number, since it is larger than the sum of its proper divisors (21182518064).

42365036122 is a wasteful number, since it uses less digits than its factorization.

42365036122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21182518063.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 42365036122 in words is "forty-two billion, three hundred sixty-five million, thirty-six thousand, one hundred twenty-two".