1012071065864 has 32 divisors (see below), whose sum is σ = 1944613730520. Its totient is φ = 493617785856.

The previous prime is 1012071065833. The next prime is 1012071065867. The reversal of 1012071065864 is 4685601702101.

It can be written as a sum of positive squares in 4 ways, for example, as 935170229764 + 76900836100 = 967042^2 + 277310^2 .

It is not an unprimeable number, because it can be changed into a prime (1012071065867) 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 7 ways as a sum of consecutive naturals, for example, 6825377 + ... + 6972080.

Almost surely, 2^{1012071065864} is an apocalyptic number.

It is an amenable number.

1012071065864 is a deficient number, since it is larger than the sum of its proper divisors (932542664656).

1012071065864 is a wasteful number, since it uses less digits than its factorization.

1012071065864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13797689 (or 13797685 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

Adding to 1012071065864 its reverse (4685601702101), we get a palindrome (5697672767965).

The spelling of 1012071065864 in words is "one trillion, twelve billion, seventy-one million, sixty-five thousand, eight hundred sixty-four".