212883074 has 8 divisors (see below), whose sum is σ = 321170940. Its totient is φ = 105826096.

The previous prime is 212883059. The next prime is 212883079. The reversal of 212883074 is 470388212.

It can be written as a sum of positive squares in 2 ways, for example, as 199007449 + 13875625 = 14107^2 + 3725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212883079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307289 + ... + 307980.

Almost surely, 2^212883074 is an apocalyptic number.

212883074 is a deficient number, since it is larger than the sum of its proper divisors (108287866).

212883074 is a wasteful number, since it uses less digits than its factorization.

212883074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615444.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 212883074 is about 14590.5131506743. The cubic root of 212883074 is about 597.0999629660.

The spelling of 212883074 in words is "two hundred twelve million, eight hundred eighty-three thousand, seventy-four".