212105116334 has 16 divisors (see below), whose sum is σ = 319521706560. Its totient is φ = 105597972480.

The previous prime is 212105116303. The next prime is 212105116343. The reversal of 212105116334 is 433611501212.

It is a junction number, because it is equal to n+sod(n) for n = 212105116297 and 212105116306.

It is a congruent number.

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, 6714962 + ... + 6746474.

It is an arithmetic number, because the mean of its divisors is an integer number (19970106660).

Almost surely, 2^212105116334 is an apocalyptic number.

212105116334 is a deficient number, since it is larger than the sum of its proper divisors (107416590226).

212105116334 is a wasteful number, since it uses less digits than its factorization.

212105116334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45835.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 212105116334 its reverse (433611501212), we get a palindrome (645716617546).

The spelling of 212105116334 in words is "two hundred twelve billion, one hundred five million, one hundred sixteen thousand, three hundred thirty-four".