212864068 has 12 divisors (see below), whose sum is σ = 392118160. Its totient is φ = 100830312.

The previous prime is 212864063. The next prime is 212864077. The reversal of 212864068 is 860468212.

It is a super-2 number, since 2×212864068² = 90622222891017248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (212864063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400346 + ... + 1400497.

Almost surely, 2^212864068 is an apocalyptic number.

It is an amenable number.

212864068 is a deficient number, since it is larger than the sum of its proper divisors (179254092).

212864068 is a wasteful number, since it uses less digits than its factorization.

212864068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800866 (or 2800864 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 212864068 is about 14589.8618225122. The cubic root of 212864068 is about 597.0821929301.

The spelling of 212864068 in words is "two hundred twelve million, eight hundred sixty-four thousand, sixty-eight".