212510036 has 12 divisors (see below), whose sum is σ = 372892212. Its totient is φ = 105969408.

The previous prime is 212510009. The next prime is 212510069. The reversal of 212510036 is 630015212.

It can be written as a sum of positive squares in 2 ways, for example, as 143520400 + 68989636 = 11980^2 + 8306^2 .

It is a nialpdrome in base 16.

It is a congruent number.

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, 69725 + ... + 72708.

It is an arithmetic number, because the mean of its divisors is an integer number (31074351).

Almost surely, 2^212510036 is an apocalyptic number.

It is an amenable number.

212510036 is a deficient number, since it is larger than the sum of its proper divisors (160382176).

212510036 is a wasteful number, since it uses less digits than its factorization.

212510036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142810 (or 142808 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 212510036 is about 14577.7239650091. The cubic root of 212510036 is about 596.7509901666.

Adding to 212510036 its reverse (630015212), we get a palindrome (842525248).

The spelling of 212510036 in words is "two hundred twelve million, five hundred ten thousand, thirty-six".