212043550 has 24 divisors (see below), whose sum is σ = 417602736. Its totient is φ = 79827840.

The previous prime is 212043547. The next prime is 212043569. The reversal of 212043550 is 55340212.

212043550 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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123882 + ... + 125581.

It is an arithmetic number, because the mean of its divisors is an integer number (17400114).

Almost surely, 2^212043550 is an apocalyptic number.

212043550 is a deficient number, since it is larger than the sum of its proper divisors (205559186).

212043550 is a wasteful number, since it uses less digits than its factorization.

212043550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249492 (or 249487 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 212043550 is about 14561.7152149051. The cubic root of 212043550 is about 596.3140226922.

Adding to 212043550 its reverse (55340212), we get a palindrome (267383762).

The spelling of 212043550 in words is "two hundred twelve million, forty-three thousand, five hundred fifty".