212246315316 has 72 divisors (see below), whose sum is σ = 613225005120. Its totient is φ = 60634982016.

The previous prime is 212246315291. The next prime is 212246315321. The reversal of 212246315316 is 613513642212.

212246315316 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 4 + 631 + 5 + 3 + 16 = 666.

212246315316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×212246315316³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2459695 + ... + 2544521.

It is an arithmetic number, because the mean of its divisors is an integer number (8517013960).

Almost surely, 2^212246315316 is an apocalyptic number.

It is an amenable number.

212246315316 is an abundant number, since it is smaller than the sum of its proper divisors (400978689804).

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

212246315316 is a wasteful number, since it uses less digits than its factorization.

212246315316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94773 (or 94768 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 212246315316 its reverse (613513642212), we get a palindrome (825759957528).

The spelling of 212246315316 in words is "two hundred twelve billion, two hundred forty-six million, three hundred fifteen thousand, three hundred sixteen".