212405010 has 32 divisors (see below), whose sum is σ = 522208512. Its totient is φ = 55259520.

The previous prime is 212405003. The next prime is 212405027. The reversal of 212405010 is 10504212.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 85114 + ... + 87573.

It is an arithmetic number, because the mean of its divisors is an integer number (16319016).

Almost surely, 2^212405010 is an apocalyptic number.

212405010 is an abundant number, since it is smaller than the sum of its proper divisors (309803502).

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

212405010 is a wasteful number, since it uses less digits than its factorization.

212405010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172738.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 212405010 is about 14574.1212428057. The cubic root of 212405010 is about 596.6526658735.

Adding to 212405010 its reverse (10504212), we get a palindrome (222909222).

The spelling of 212405010 in words is "two hundred twelve million, four hundred five thousand, ten".