71361252412 has 12 divisors (see below), whose sum is σ = 124884516400. Its totient is φ = 35679962016.

The previous prime is 71361252397. The next prime is 71361252421. The reversal of 71361252412 is 21425216317.

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, 137248 + ... + 401944.

Almost surely, 2^71361252412 is an apocalyptic number.

It is an amenable number.

71361252412 is a deficient number, since it is larger than the sum of its proper divisors (53523263988).

71361252412 is a wasteful number, since it uses less digits than its factorization.

71361252412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332100 (or 332098 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

Adding to 71361252412 its reverse (21425216317), we get a palindrome (92786468729).

The spelling of 71361252412 in words is "seventy-one billion, three hundred sixty-one million, two hundred fifty-two thousand, four hundred twelve".