212210245612 has 12 divisors (see below), whose sum is σ = 371392511616. Its totient is φ = 106098099440.

The previous prime is 212210245603. The next prime is 212210245649. The reversal of 212210245612 is 216542012212.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 1687564 + ... + 1808947.

It is an arithmetic number, because the mean of its divisors is an integer number (30949375968).

Almost surely, 2^212210245612 is an apocalyptic number.

It is an amenable number.

212210245612 is a deficient number, since it is larger than the sum of its proper divisors (159182266004).

212210245612 is a wasteful number, since it uses less digits than its factorization.

212210245612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511688 (or 3511686 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 212210245612 its reverse (216542012212), we get a palindrome (428752257824).

The spelling of 212210245612 in words is "two hundred twelve billion, two hundred ten million, two hundred forty-five thousand, six hundred twelve".