212103032212 has 12 divisors (see below), whose sum is σ = 378183708756. Its totient is φ = 104050544000.

The previous prime is 212103032189. The next prime is 212103032237. The reversal of 212103032212 is 212230301212.

It can be written as a sum of positive squares in 2 ways, for example, as 63844150276 + 148258881936 = 252674^2 + 385044^2 .

It is a super-2 number, since 2×212103032212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212103032212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500242789 + ... + 500243212.

It is an arithmetic number, because the mean of its divisors is an integer number (31515309063).

Almost surely, 2^212103032212 is an apocalyptic number.

It is an amenable number.

212103032212 is a deficient number, since it is larger than the sum of its proper divisors (166080676544).

212103032212 is a wasteful number, since it uses less digits than its factorization.

212103032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000486058 (or 1000486056 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212103032212 its reverse (212230301212), we get a palindrome (424333333424).

The spelling of 212103032212 in words is "two hundred twelve billion, one hundred three million, thirty-two thousand, two hundred twelve".