212323207 has 8 divisors (see below), whose sum is σ = 217577360. Its totient is φ = 207083520.

The previous prime is 212323193. The next prime is 212323211. The reversal of 212323207 is 702323212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212323207 is a prime.

It is a super-2 number, since 2×212323207² = 90162288461529698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323277) 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, 29857 + ... + 36277.

It is an arithmetic number, because the mean of its divisors is an integer number (27197170).

Almost surely, 2^212323207 is an apocalyptic number.

212323207 is a deficient number, since it is larger than the sum of its proper divisors (5254153).

212323207 is an equidigital number, since it uses as much as digits as its factorization.

212323207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 212323207 is about 14571.3145254641. The cubic root of 212323207 is about 596.5760602649.

Adding to 212323207 its reverse (702323212), we get a palindrome (914646419).

The spelling of 212323207 in words is "two hundred twelve million, three hundred twenty-three thousand, two hundred seven".