42055134612 has 12 divisors (see below), whose sum is σ = 98128647456. Its totient is φ = 14018378200.

The previous prime is 42055134487. The next prime is 42055134703. The reversal of 42055134612 is 21643155024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1752297264 + ... + 1752297287.

It is an arithmetic number, because the mean of its divisors is an integer number (8177387288).

Almost surely, 2^42055134612 is an apocalyptic number.

It is an amenable number.

42055134612 is an abundant number, since it is smaller than the sum of its proper divisors (56073512844).

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

42055134612 is a wasteful number, since it uses less digits than its factorization.

42055134612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504594558 (or 3504594556 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 42055134612 its reverse (21643155024), we get a palindrome (63698289636).

The spelling of 42055134612 in words is "forty-two billion, fifty-five million, one hundred thirty-four thousand, six hundred twelve".