210343012 has 18 divisors (see below), whose sum is σ = 404607014. Its totient is φ = 95610240.

The previous prime is 210342983. The next prime is 210343019.

It is a happy number.

210343012 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 170198116 + 40144896 = 13046^2 + 6336^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (210343019) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 216813 + ... + 217780.

Almost surely, 2^210343012 is an apocalyptic number.

210343012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210343012 is a deficient number, since it is larger than the sum of its proper divisors (194264002).

210343012 is a wasteful number, since it uses less digits than its factorization.

210343012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434619 (or 434606 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 210343012 is about 14503.2069557047. The cubic root of 210343012 is about 594.7156440844.

The spelling of 210343012 in words is "two hundred ten million, three hundred forty-three thousand, twelve".