71210043142 has 32 divisors (see below), whose sum is σ = 122809190400. Its totient is φ = 30335437440.

The previous prime is 71210043131. The next prime is 71210043143. The reversal of 71210043142 is 24134001217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71210043143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538859 + ... + 1584457.

It is an arithmetic number, because the mean of its divisors is an integer number (3837787200).

Almost surely, 2^71210043142 is an apocalyptic number.

71210043142 is a deficient number, since it is larger than the sum of its proper divisors (51599147258).

71210043142 is a wasteful number, since it uses less digits than its factorization.

71210043142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46276.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 71210043142 its reverse (24134001217), we get a palindrome (95344044359).

The spelling of 71210043142 in words is "seventy-one billion, two hundred ten million, forty-three thousand, one hundred forty-two".