212016550 has 24 divisors (see below), whose sum is σ = 396570600. Its totient is φ = 84329280.

The previous prime is 212016547. The next prime is 212016551. The reversal of 212016550 is 55610212.

212016550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212016551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2895 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (16523775).

Almost surely, 2^212016550 is an apocalyptic number.

212016550 is a deficient number, since it is larger than the sum of its proper divisors (184554050).

212016550 is a wasteful number, since it uses less digits than its factorization.

212016550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23880 (or 23875 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 212016550 is about 14560.7880968030. The cubic root of 212016550 is about 596.2887115992.

Adding to 212016550 its reverse (55610212), we get a palindrome (267626762).

The spelling of 212016550 in words is "two hundred twelve million, sixteen thousand, five hundred fifty".