71143016212 has 24 divisors (see below), whose sum is σ = 127183077504. Its totient is φ = 34805397312.

The previous prime is 71143016183. The next prime is 71143016213. The reversal of 71143016212 is 21261034117.

It is a super-2 number, since 2×71143016212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71143016213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686088 + ... + 782944.

It is an arithmetic number, because the mean of its divisors is an integer number (5299294896).

Almost surely, 2^71143016212 is an apocalyptic number.

It is an amenable number.

71143016212 is a deficient number, since it is larger than the sum of its proper divisors (56040061292).

71143016212 is a wasteful number, since it uses less digits than its factorization.

71143016212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100815 (or 100813 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 71143016212 in words is "seventy-one billion, one hundred forty-three million, sixteen thousand, two hundred twelve".