343220012 has 12 divisors (see below), whose sum is σ = 608863416. Its totient is φ = 169259040.

The previous prime is 343220011. The next prime is 343220027. The reversal of 343220012 is 210022343.

It is not an unprimeable number, because it can be changed into a prime (343220011) 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, 587414 + ... + 587997.

It is an arithmetic number, because the mean of its divisors is an integer number (50738618).

Almost surely, 2^343220012 is an apocalyptic number.

It is an amenable number.

343220012 is a deficient number, since it is larger than the sum of its proper divisors (265643404).

343220012 is a wasteful number, since it uses less digits than its factorization.

343220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175488 (or 1175486 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 343220012 is about 18526.1979909532. The cubic root of 343220012 is about 700.1496360379.

Adding to 343220012 its reverse (210022343), we get a palindrome (553242355).

The spelling of 343220012 in words is "three hundred forty-three million, two hundred twenty thousand, twelve".