2012516071 has 4 divisors (see below), whose sum is σ = 2025844144. Its totient is φ = 1999188000.

The previous prime is 2012516069. The next prime is 2012516111. The reversal of 2012516071 is 1706152102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1706152102 = 2 ⋅853076051.

It is a cyclic number.

It is not a de Polignac number, because 2012516071 - 2¹ = 2012516069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012516771) 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, 6663810 + ... + 6664111.

It is an arithmetic number, because the mean of its divisors is an integer number (506461036).

Almost surely, 2^2012516071 is an apocalyptic number.

2012516071 is a deficient number, since it is larger than the sum of its proper divisors (13328073).

2012516071 is a wasteful number, since it uses less digits than its factorization.

2012516071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13328072.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 2012516071 is about 44861.0752323214. The cubic root of 2012516071 is about 1262.5437966181.

Adding to 2012516071 its reverse (1706152102), we get a palindrome (3718668173).

The spelling of 2012516071 in words is "two billion, twelve million, five hundred sixteen thousand, seventy-one".