213012010 has 8 divisors (see below), whose sum is σ = 383421636. Its totient is φ = 85204800.

The previous prime is 213012001. The next prime is 213012011. The reversal of 213012010 is 10210312.

It can be written as a sum of positive squares in 2 ways, for example, as 177502329 + 35509681 = 13323^2 + 5959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 21301201 = 213012010 / (2 + 1 + 3 + 0 + 1 + 2 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (213012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10650591 + ... + 10650610.

Almost surely, 2^213012010 is an apocalyptic number.

213012010 is a deficient number, since it is larger than the sum of its proper divisors (170409626).

213012010 is a wasteful number, since it uses less digits than its factorization.

213012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21301208.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 213012010 is about 14594.9309693469. The cubic root of 213012010 is about 597.2204863151.

Adding to 213012010 its reverse (10210312), we get a palindrome (223222322).

The spelling of 213012010 in words is "two hundred thirteen million, twelve thousand, ten".