212686682 has 32 divisors (see below), whose sum is σ = 351086400. Its totient is φ = 96041088.

The previous prime is 212686673. The next prime is 212686697. The reversal of 212686682 is 286686212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247169 + ... + 248027.

It is an arithmetic number, because the mean of its divisors is an integer number (10971450).

Almost surely, 2^212686682 is an apocalyptic number.

212686682 is a deficient number, since it is larger than the sum of its proper divisors (138399718).

212686682 is a wasteful number, since it uses less digits than its factorization.

212686682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070.

The product of its digits is 110592, while the sum is 41.

The square root of 212686682 is about 14583.7814712097. The cubic root of 212686682 is about 596.9162913495.

The spelling of 212686682 in words is "two hundred twelve million, six hundred eighty-six thousand, six hundred eighty-two".