71102012 has 12 divisors (see below), whose sum is σ = 127791720. Its totient is φ = 34590096.

The previous prime is 71101967. The next prime is 71102029. The reversal of 71102012 is 21020117.

It is a super-3 number, since 3×71102012³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240062 + ... + 240357.

It is an arithmetic number, because the mean of its divisors is an integer number (10649310).

Almost surely, 2^71102012 is an apocalyptic number.

It is an amenable number.

71102012 is a deficient number, since it is larger than the sum of its proper divisors (56689708).

71102012 is a wasteful number, since it uses less digits than its factorization.

71102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480460 (or 480458 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 71102012 is about 8432.2008989350. The cubic root of 71102012 is about 414.2799960481.

Adding to 71102012 its reverse (21020117), we get a palindrome (92122129).

The spelling of 71102012 in words is "seventy-one million, one hundred two thousand, twelve".