42705137012 has 12 divisors (see below), whose sum is σ = 74736545856. Its totient is φ = 21351838200.

The previous prime is 42705136963. The next prime is 42705137017. The reversal of 42705137012 is 21073150724.

It is a self number, because there is not a number n which added to its sum of digits gives 42705137012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42705137017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38348 + ... + 294755.

It is an arithmetic number, because the mean of its divisors is an integer number (6228045488).

Almost surely, 2^42705137012 is an apocalyptic number.

It is an amenable number.

42705137012 is a deficient number, since it is larger than the sum of its proper divisors (32031408844).

42705137012 is a wasteful number, since it uses less digits than its factorization.

42705137012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365158 (or 365156 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

Adding to 42705137012 its reverse (21073150724), we get a palindrome (63778287736).

The spelling of 42705137012 in words is "forty-two billion, seven hundred five million, one hundred thirty-seven thousand, twelve".