212349671 has 4 divisors (see below), whose sum is σ = 212665872. Its totient is φ = 212033472.

The previous prime is 212349667. The next prime is 212349677. The reversal of 212349671 is 176943212.

212349671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212349671 - 2² = 212349667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212349677) 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, 157091 + ... + 158436.

It is an arithmetic number, because the mean of its divisors is an integer number (53166468).

Almost surely, 2^212349671 is an apocalyptic number.

212349671 is a deficient number, since it is larger than the sum of its proper divisors (316201).

212349671 is an equidigital number, since it uses as much as digits as its factorization.

212349671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316200.

The product of its digits is 18144, while the sum is 35.

The square root of 212349671 is about 14572.2225827085. Note that the first 3 decimals coincide. The cubic root of 212349671 is about 596.6008450152.

The spelling of 212349671 in words is "two hundred twelve million, three hundred forty-nine thousand, six hundred seventy-one".