42352112512 has 32 divisors (see below), whose sum is σ = 89336491920. Its totient is φ = 19930404864.

The previous prime is 42352112503. The next prime is 42352112513. The reversal of 42352112512 is 21521125324.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×42352112512³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42352112513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9729468 + ... + 9733819.

Almost surely, 2^42352112512 is an apocalyptic number.

It is an amenable number.

42352112512 is an abundant number, since it is smaller than the sum of its proper divisors (46984379408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42352112512 is a wasteful number, since it uses less digits than its factorization.

42352112512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19463318 (or 19463306 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

Adding to 42352112512 its reverse (21521125324), we get a palindrome (63873237836).

The spelling of 42352112512 in words is "forty-two billion, three hundred fifty-two million, one hundred twelve thousand, five hundred twelve".