212050478 has 32 divisors (see below), whose sum is σ = 351959040. Its totient is φ = 95467680.

The previous prime is 212050471. The next prime is 212050561. The reversal of 212050478 is 874050212.

It is a self number, because there is not a number n which added to its sum of digits gives 212050478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212050471) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50753 + ... + 54771.

It is an arithmetic number, because the mean of its divisors is an integer number (10998720).

Almost surely, 2^212050478 is an apocalyptic number.

212050478 is a deficient number, since it is larger than the sum of its proper divisors (139908562).

212050478 is a wasteful number, since it uses less digits than its factorization.

212050478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 212050478 is about 14561.9530970265. The cubic root of 212050478 is about 596.3205169848.

The spelling of 212050478 in words is "two hundred twelve million, fifty thousand, four hundred seventy-eight".