212502516 has 48 divisors (see below), whose sum is σ = 526067136. Its totient is φ = 66532864.

The previous prime is 212502509. The next prime is 212502523. The reversal of 212502516 is 615205212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212502509) and next prime (212502523).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161935 + ... + 163241.

It is an arithmetic number, because the mean of its divisors is an integer number (10959732).

Almost surely, 2^212502516 is an apocalyptic number.

It is an amenable number.

212502516 is an abundant number, since it is smaller than the sum of its proper divisors (313564620).

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

212502516 is a wasteful number, since it uses less digits than its factorization.

212502516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 212502516 is about 14577.4660349459. The cubic root of 212502516 is about 596.7439510945.

Adding to 212502516 its reverse (615205212), we get a palindrome (827707728).

The spelling of 212502516 in words is "two hundred twelve million, five hundred two thousand, five hundred sixteen".