212520010 has 8 divisors (see below), whose sum is σ = 382536036. Its totient is φ = 85008000.

The previous prime is 212520001. The next prime is 212520029. The reversal of 212520010 is 10025212.

It can be written as a sum of positive squares in 2 ways, for example, as 210279001 + 2241009 = 14501^2 + 1497^2 .

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

It is an unprimeable number.

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, 10625991 + ... + 10626010.

Almost surely, 2^212520010 is an apocalyptic number.

212520010 is a deficient number, since it is larger than the sum of its proper divisors (170016026).

212520010 is a wasteful number, since it uses less digits than its factorization.

212520010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21252008.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 212520010 is about 14578.0660582946. The cubic root of 212520010 is about 596.7603260414.

Adding to 212520010 its reverse (10025212), we get a palindrome (222545222).

The spelling of 212520010 in words is "two hundred twelve million, five hundred twenty thousand, ten".