212179317 has 8 divisors (see below), whose sum is σ = 323320896. Its totient is φ = 121245312.

The previous prime is 212179313. The next prime is 212179321. The reversal of 212179317 is 713971212.

It is an interprime number because it is at equal distance from previous prime (212179313) and next prime (212179321).

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

It is not a de Polignac number, because 212179317 - 2² = 212179313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212179313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5051868 + ... + 5051909.

It is an arithmetic number, because the mean of its divisors is an integer number (40415112).

Almost surely, 2^212179317 is an apocalyptic number.

It is an amenable number.

212179317 is a deficient number, since it is larger than the sum of its proper divisors (111141579).

212179317 is a wasteful number, since it uses less digits than its factorization.

212179317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10103787.

The product of its digits is 5292, while the sum is 33.

The square root of 212179317 is about 14566.3762480584. The cubic root of 212179317 is about 596.4412646245.

The spelling of 212179317 in words is "two hundred twelve million, one hundred seventy-nine thousand, three hundred seventeen".