212252210662 has 16 divisors (see below), whose sum is σ = 318640263120. Its totient is φ = 106038829728.

The previous prime is 212252210659. The next prime is 212252210711. The reversal of 212252210662 is 266012252212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14573488 + ... + 14588044.

It is an arithmetic number, because the mean of its divisors is an integer number (19915016445).

Almost surely, 2^212252210662 is an apocalyptic number.

212252210662 is a deficient number, since it is larger than the sum of its proper divisors (106388052458).

212252210662 is a wasteful number, since it uses less digits than its factorization.

212252210662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 212252210662 its reverse (266012252212), we get a palindrome (478264462874).

The spelling of 212252210662 in words is "two hundred twelve billion, two hundred fifty-two million, two hundred ten thousand, six hundred sixty-two".