212313212 has 24 divisors (see below), whose sum is σ = 377667696. Its totient is φ = 104421888.

The previous prime is 212313197. The next prime is 212313251.

212313212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65543 + ... + 68705.

It is an arithmetic number, because the mean of its divisors is an integer number (15736154).

Almost surely, 2^212313212 is an apocalyptic number.

It is an amenable number.

212313212 is a deficient number, since it is larger than the sum of its proper divisors (165354484).

212313212 is a wasteful number, since it uses less digits than its factorization.

212313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3435 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 212313212 is about 14570.9715530571. The cubic root of 212313212 is about 596.5666989530.

The spelling of 212313212 in words is "two hundred twelve million, three hundred thirteen thousand, two hundred twelve".