212016516 has 24 divisors (see below), whose sum is σ = 520742880. Its totient is φ = 66952512.

The previous prime is 212016509. The next prime is 212016523. The reversal of 212016516 is 615610212.

It is an interprime number because it is at equal distance from previous prime (212016509) and next prime (212016523).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464721 + ... + 465176.

It is an arithmetic number, because the mean of its divisors is an integer number (21697620).

Almost surely, 2^212016516 is an apocalyptic number.

It is an amenable number.

212016516 is an abundant number, since it is smaller than the sum of its proper divisors (308726364).

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

212016516 is a wasteful number, since it uses less digits than its factorization.

212016516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929923 (or 929921 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 212016516 is about 14560.7869292837. The cubic root of 212016516 is about 596.2886797246.

Adding to 212016516 its reverse (615610212), we get a palindrome (827626728).

The spelling of 212016516 in words is "two hundred twelve million, sixteen thousand, five hundred sixteen".