71332222565412 has 36 divisors (see below), whose sum is σ = 180342296849260. Its totient is φ = 23773413261312.

The previous prime is 71332222565273. The next prime is 71332222565419. The reversal of 71332222565412 is 21456522223317.

71332222565412 is a `hidden beast` number, since 7 + 1 + 3 + 3 + 2 + 2 + 225 + 6 + 5 + 412 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 494144326116 + 70838078239296 = 702954^2 + 8416536^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×71332222565412⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (71332222565419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166210237 + ... + 166638852.

Almost surely, 2^{71332222565412} is an apocalyptic number.

It is an amenable number.

71332222565412 is an abundant number, since it is smaller than the sum of its proper divisors (109010074283848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71332222565412 is a wasteful number, since it uses less digits than its factorization.

71332222565412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332855052 (or 332855047 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

Adding to 71332222565412 its reverse (21456522223317), we get a palindrome (92788744788729).

The spelling of 71332222565412 in words is "seventy-one trillion, three hundred thirty-two billion, two hundred twenty-two million, five hundred sixty-five thousand, four hundred twelve".