212335440016 has 40 divisors (see below), whose sum is σ = 470231966720. Its totient is φ = 90989167104.

The previous prime is 212335439971. The next prime is 212335440041. The reversal of 212335440016 is 610044533212.

It is a self number, because there is not a number n which added to its sum of digits gives 212335440016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779665 + ... + 1016143.

It is an arithmetic number, because the mean of its divisors is an integer number (11755799168).

Almost surely, 2^212335440016 is an apocalyptic number.

It is an amenable number.

212335440016 is an abundant number, since it is smaller than the sum of its proper divisors (257896526704).

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

212335440016 is a wasteful number, since it uses less digits than its factorization.

212335440016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244511 (or 244505 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 212335440016 its reverse (610044533212), we get a palindrome (822379973228).

The spelling of 212335440016 in words is "two hundred twelve billion, three hundred thirty-five million, four hundred forty thousand, sixteen".