212321150 has 24 divisors (see below), whose sum is σ = 395313240. Its totient is φ = 84843360.

The previous prime is 212321129. The next prime is 212321167. The reversal of 212321150 is 51123212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78521 + ... + 81179.

It is an arithmetic number, because the mean of its divisors is an integer number (16471385).

Almost surely, 2^212321150 is an apocalyptic number.

212321150 is a deficient number, since it is larger than the sum of its proper divisors (182992090).

212321150 is a wasteful number, since it uses less digits than its factorization.

212321150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 212321150 is about 14571.2439414073. The cubic root of 212321150 is about 596.5741337038.

Adding to 212321150 its reverse (51123212), we get a palindrome (263444362).

The spelling of 212321150 in words is "two hundred twelve million, three hundred twenty-one thousand, one hundred fifty".