212075518 has 4 divisors (see below), whose sum is σ = 318113280. Its totient is φ = 106037758.

The previous prime is 212075483. The next prime is 212075537. The reversal of 212075518 is 815570212.

212075518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212075518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53018878 + ... + 53018881.

It is an arithmetic number, because the mean of its divisors is an integer number (79528320).

Almost surely, 2^212075518 is an apocalyptic number.

212075518 is a deficient number, since it is larger than the sum of its proper divisors (106037762).

212075518 is a wasteful number, since it uses less digits than its factorization.

212075518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106037761.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 212075518 is about 14562.8128464250. The cubic root of 212075518 is about 596.3439882485.

The spelling of 212075518 in words is "two hundred twelve million, seventy-five thousand, five hundred eighteen".