71214463412 has 12 divisors (see below), whose sum is σ = 127664952996. Its totient is φ = 34738762560.

The previous prime is 71214463393. The next prime is 71214463417. The reversal of 71214463412 is 21436441217.

It can be written as a sum of positive squares in 2 ways, for example, as 24991183396 + 46223280016 = 158086^2 + 214996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71214463417) 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, 217117103 + ... + 217117430.

It is an arithmetic number, because the mean of its divisors is an integer number (10638746083).

Almost surely, 2^71214463412 is an apocalyptic number.

It is an amenable number.

71214463412 is a deficient number, since it is larger than the sum of its proper divisors (56450489584).

71214463412 is a wasteful number, since it uses less digits than its factorization.

71214463412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434234578 (or 434234576 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The spelling of 71214463412 in words is "seventy-one billion, two hundred fourteen million, four hundred sixty-three thousand, four hundred twelve".