5216121588 has 12 divisors (see below), whose sum is σ = 12170950400. Its totient is φ = 1738707192.

The previous prime is 5216121541. The next prime is 5216121607. The reversal of 5216121588 is 8851216125.

It is a tau number, because it is divible by the number of its divisors (12).

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, 217338388 + ... + 217338411.

Almost surely, 2^5216121588 is an apocalyptic number.

It is an amenable number.

5216121588 is an abundant number, since it is smaller than the sum of its proper divisors (6954828812).

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

5216121588 is a wasteful number, since it uses less digits than its factorization.

5216121588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434676806 (or 434676804 counting only the distinct ones).

The product of its digits is 38400, while the sum is 39.

The square root of 5216121588 is about 72222.7221032273. The cubic root of 5216121588 is about 1734.2667674377.

The spelling of 5216121588 in words is "five billion, two hundred sixteen million, one hundred twenty-one thousand, five hundred eighty-eight".