212105063203 has 32 divisors (see below), whose sum is σ = 242313007104. Its totient is φ = 183902400000.

The previous prime is 212105063171. The next prime is 212105063237. The reversal of 212105063203 is 302360501212.

It is not a de Polignac number, because 212105063203 - 2⁵ = 212105063171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212105063603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42838378 + ... + 42843328.

It is an arithmetic number, because the mean of its divisors is an integer number (7572281472).

Almost surely, 2^212105063203 is an apocalyptic number.

212105063203 is a deficient number, since it is larger than the sum of its proper divisors (30207943901).

212105063203 is a wasteful number, since it uses less digits than its factorization.

212105063203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 212105063203 its reverse (302360501212), we get a palindrome (514465564415).

The spelling of 212105063203 in words is "two hundred twelve billion, one hundred five million, sixty-three thousand, two hundred three".