42502304122 has 4 divisors (see below), whose sum is σ = 63753456186. Its totient is φ = 21251152060.

The previous prime is 42502304107. The next prime is 42502304123. The reversal of 42502304122 is 22140320524.

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., 26882553681 + 15619750441 = 163959^2 + 124979^2 .

It is a super-3 number, since 3×42502304122³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42502304123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10625576029 + ... + 10625576032.

Almost surely, 2^42502304122 is an apocalyptic number.

42502304122 is a deficient number, since it is larger than the sum of its proper divisors (21251152064).

42502304122 is a wasteful number, since it uses less digits than its factorization.

42502304122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21251152063.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 42502304122 its reverse (22140320524), we get a palindrome (64642624646).

The spelling of 42502304122 in words is "forty-two billion, five hundred two million, three hundred four thousand, one hundred twenty-two".