343212212 has 24 divisors (see below), whose sum is σ = 688865856. Its totient is φ = 146567808.

The previous prime is 343212209. The next prime is 343212223. The reversal of 343212212 is 212212343.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13733 + ... + 29580.

It is an arithmetic number, because the mean of its divisors is an integer number (28702744).

Almost surely, 2^343212212 is an apocalyptic number.

It is an amenable number.

343212212 is an abundant number, since it is smaller than the sum of its proper divisors (345653644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343212212 is a wasteful number, since it uses less digits than its factorization.

343212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43607 (or 43605 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 343212212 is about 18525.9874770550. The cubic root of 343212212 is about 700.1443321430.

Adding to 343212212 its reverse (212212343), we get a palindrome (555424555).

The spelling of 343212212 in words is "three hundred forty-three million, two hundred twelve thousand, two hundred twelve".