212886682 has 8 divisors (see below), whose sum is σ = 338114196. Its totient is φ = 100181952.

The previous prime is 212886677. The next prime is 212886731. The reversal of 212886682 is 286688212.

It can be written as a sum of positive squares in 2 ways, for example, as 159289641 + 53597041 = 12621^2 + 7321^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130653 + ... + 3130720.

Almost surely, 2^212886682 is an apocalyptic number.

212886682 is a deficient number, since it is larger than the sum of its proper divisors (125227514).

212886682 is a wasteful number, since it uses less digits than its factorization.

212886682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261392.

The product of its digits is 147456, while the sum is 43.

The square root of 212886682 is about 14590.6367921349. The cubic root of 212886682 is about 597.1033362176.

The spelling of 212886682 in words is "two hundred twelve million, eight hundred eighty-six thousand, six hundred eighty-two".