42052431212 has 12 divisors (see below), whose sum is σ = 80281914216. Its totient is φ = 19114741440.

The previous prime is 42052431199. The next prime is 42052431221. The reversal of 42052431212 is 21213425024.

It is an unprimeable number.

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, 477868493 + ... + 477868580.

It is an arithmetic number, because the mean of its divisors is an integer number (6690159518).

Almost surely, 2^42052431212 is an apocalyptic number.

It is an amenable number.

42052431212 is a deficient number, since it is larger than the sum of its proper divisors (38229483004).

42052431212 is a wasteful number, since it uses less digits than its factorization.

42052431212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955737088 (or 955737086 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 42052431212 its reverse (21213425024), we get a palindrome (63265856236).

The spelling of 42052431212 in words is "forty-two billion, fifty-two million, four hundred thirty-one thousand, two hundred twelve".