212057338 has 16 divisors (see below), whose sum is σ = 336710880. Its totient is φ = 99990576.

The previous prime is 212057317. The next prime is 212057341. The reversal of 212057338 is 833750212.

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 7 ways as a sum of consecutive naturals, for example, 40020 + ... + 45007.

It is an arithmetic number, because the mean of its divisors is an integer number (21044430).

Almost surely, 2^212057338 is an apocalyptic number.

212057338 is a deficient number, since it is larger than the sum of its proper divisors (124653542).

212057338 is a wasteful number, since it uses less digits than its factorization.

212057338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85101.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 212057338 is about 14562.1886404482. The cubic root of 212057338 is about 596.3269473949.

The spelling of 212057338 in words is "two hundred twelve million, fifty-seven thousand, three hundred thirty-eight".