212194006 has 8 divisors (see below), whose sum is σ = 321211440. Its totient is φ = 105123528.

The previous prime is 212193979. The next prime is 212194009. The reversal of 212194006 is 600491212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212194009) 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, 486466 + ... + 486901.

It is an arithmetic number, because the mean of its divisors is an integer number (40151430).

Almost surely, 2^212194006 is an apocalyptic number.

212194006 is a deficient number, since it is larger than the sum of its proper divisors (109017434).

212194006 is a wasteful number, since it uses less digits than its factorization.

212194006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973478.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 212194006 is about 14566.8804484694. The cubic root of 212194006 is about 596.4550280200.

The spelling of 212194006 in words is "two hundred twelve million, one hundred ninety-four thousand, six".