212338550 has 12 divisors (see below), whose sum is σ = 394949796. Its totient is φ = 84935400.

The previous prime is 212338541. The next prime is 212338591. The reversal of 212338550 is 55833212.

It is a super-2 number, since 2×212338550² = 90175319632205000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2123336 + ... + 2123435.

It is an arithmetic number, because the mean of its divisors is an integer number (32912483).

Almost surely, 2^212338550 is an apocalyptic number.

212338550 is a deficient number, since it is larger than the sum of its proper divisors (182611246).

212338550 is a wasteful number, since it uses less digits than its factorization.

212338550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246783 (or 4246778 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 212338550 is about 14571.8409955640. The cubic root of 212338550 is about 596.5904299393.

The spelling of 212338550 in words is "two hundred twelve million, three hundred thirty-eight thousand, five hundred fifty".