212451245050 has 24 divisors (see below), whose sum is σ = 431082891072. Its totient is φ = 77254998000.

The previous prime is 212451245033. The next prime is 212451245077. The reversal of 212451245050 is 50542154212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193136946 + ... + 193138045.

It is an arithmetic number, because the mean of its divisors is an integer number (17961787128).

Almost surely, 2^212451245050 is an apocalyptic number.

212451245050 is an abundant number, since it is smaller than the sum of its proper divisors (218631646022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212451245050 is a wasteful number, since it uses less digits than its factorization.

212451245050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386275014 (or 386275009 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 212451245050 its reverse (50542154212), we get a palindrome (262993399262).

The spelling of 212451245050 in words is "two hundred twelve billion, four hundred fifty-one million, two hundred forty-five thousand, fifty".