212105115302 has 8 divisors (see below), whose sum is σ = 318164678136. Its totient is φ = 106050222592.

The previous prime is 212105115253. The next prime is 212105115307. The reversal of 212105115302 is 203511501212.

212105115302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212105115307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1051688 + ... + 1237035.

It is an arithmetic number, because the mean of its divisors is an integer number (39770584767).

Almost surely, 2^212105115302 is an apocalyptic number.

212105115302 is a deficient number, since it is larger than the sum of its proper divisors (106059562834).

212105115302 is a wasteful number, since it uses less digits than its factorization.

212105115302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335062.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 212105115302 its reverse (203511501212), we get a palindrome (415616616514).

The spelling of 212105115302 in words is "two hundred twelve billion, one hundred five million, one hundred fifteen thousand, three hundred two".