212502016 has 80 divisors (see below), whose sum is σ = 445471488. Its totient is φ = 101171200.

The previous prime is 212501999. The next prime is 212502019. The reversal of 212502016 is 610205212.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 212501984 and 212502002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212502019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112481 + ... + 1112671.

Almost surely, 2^212502016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212502016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222735744).

212502016 is an abundant number, since it is smaller than the sum of its proper divisors (232969472).

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

212502016 is an equidigital number, since it uses as much as digits as its factorization.

212502016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 212502016 is about 14577.4488851788. The cubic root of 212502016 is about 596.7434830652.

Adding to 212502016 its reverse (610205212), we get a palindrome (822707228).

The spelling of 212502016 in words is "two hundred twelve million, five hundred two thousand, sixteen".