7210516012 has 18 divisors (see below), whose sum is σ = 14678550852. Its totient is φ = 3090221064.

The previous prime is 7210516009. The next prime is 7210516039. The reversal of 7210516012 is 2106150127.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18393978 + ... + 18394369.

Almost surely, 2^7210516012 is an apocalyptic number.

It is an amenable number.

7210516012 is an abundant number, since it is smaller than the sum of its proper divisors (7468034840).

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

7210516012 is a wasteful number, since it uses less digits than its factorization.

7210516012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36788365 (or 36788356 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 7210516012 is about 84914.7573275694. The cubic root of 7210516012 is about 1931.9184135540.

Adding to 7210516012 its reverse (2106150127), we get a palindrome (9316666139).

The spelling of 7210516012 in words is "seven billion, two hundred ten million, five hundred sixteen thousand, twelve".