71145300012 has 24 divisors (see below), whose sum is σ = 166012282800. Its totient is φ = 23714159616.

The previous prime is 71145300007. The next prime is 71145300019. The reversal of 71145300012 is 21000354117.

It is not an unprimeable number, because it can be changed into a prime (71145300019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241564 + ... + 447932.

It is an arithmetic number, because the mean of its divisors is an integer number (6917178450).

Almost surely, 2^71145300012 is an apocalyptic number.

It is an amenable number.

71145300012 is an abundant number, since it is smaller than the sum of its proper divisors (94866982788).

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

71145300012 is a wasteful number, since it uses less digits than its factorization.

71145300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235105 (or 235103 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 71145300012 its reverse (21000354117), we get a palindrome (92145654129).

The spelling of 71145300012 in words is "seventy-one billion, one hundred forty-five million, three hundred thousand, twelve".