1065710721112 has 32 divisors (see below), whose sum is σ = 2111479718400. Its totient is φ = 503235985824.

The previous prime is 1065710721109. The next prime is 1065710721157. The reversal of 1065710721112 is 2111270175601.

It is a super-2 number, since 2×1065710721112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 36643098 + ... + 36672169.

It is an arithmetic number, because the mean of its divisors is an integer number (65983741200).

Almost surely, 2^{1065710721112} is an apocalyptic number.

It is an amenable number.

1065710721112 is a deficient number, since it is larger than the sum of its proper divisors (1045768997288).

1065710721112 is a wasteful number, since it uses less digits than its factorization.

1065710721112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73315375 (or 73315371 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 34.

Adding to 1065710721112 its reverse (2111270175601), we get a palindrome (3176980896713).

The spelling of 1065710721112 in words is "one trillion, sixty-five billion, seven hundred ten million, seven hundred twenty-one thousand, one hundred twelve".