212045150 has 48 divisors (see below), whose sum is σ = 411923040. Its totient is φ = 81129600.

The previous prime is 212045123. The next prime is 212045159. The reversal of 212045150 is 51540212.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212045159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111911 + ... + 113789.

It is an arithmetic number, because the mean of its divisors is an integer number (8581730).

Almost surely, 2^212045150 is an apocalyptic number.

212045150 is a deficient number, since it is larger than the sum of its proper divisors (199877890).

212045150 is a wasteful number, since it uses less digits than its factorization.

212045150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 212045150 is about 14561.7701533845. The cubic root of 212045150 is about 596.3155225414.

Adding to 212045150 its reverse (51540212), we get a palindrome (263585362).

The spelling of 212045150 in words is "two hundred twelve million, forty-five thousand, one hundred fifty".