210641012 has 6 divisors (see below), whose sum is σ = 368621778. Its totient is φ = 105320504.

The previous prime is 210641009. The next prime is 210641023. The reversal of 210641012 is 210146012.

It can be written as a sum of positive squares in only one way, i.e., 137264656 + 73376356 = 11716^2 + 8566^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 26330123 + ... + 26330130.

It is an arithmetic number, because the mean of its divisors is an integer number (61436963).

Almost surely, 2^210641012 is an apocalyptic number.

It is an amenable number.

210641012 is a deficient number, since it is larger than the sum of its proper divisors (157980766).

210641012 is a wasteful number, since it uses less digits than its factorization.

210641012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52660257 (or 52660255 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 210641012 is about 14513.4769094108. The cubic root of 210641012 is about 594.9963627582.

Adding to 210641012 its reverse (210146012), we get a palindrome (420787024).

The spelling of 210641012 in words is "two hundred ten million, six hundred forty-one thousand, twelve".