212203103212 has 12 divisors (see below), whose sum is σ = 371639567880. Its totient is φ = 106020369536.

The previous prime is 212203103197. The next prime is 212203103237. The reversal of 212203103212 is 212301302212.

It is a self number, because there is not a number n which added to its sum of digits gives 212203103212.

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, 20289637 + ... + 20300092.

It is an arithmetic number, because the mean of its divisors is an integer number (30969963990).

Almost surely, 2^212203103212 is an apocalyptic number.

It is an amenable number.

212203103212 is a deficient number, since it is larger than the sum of its proper divisors (159436464668).

212203103212 is a wasteful number, since it uses less digits than its factorization.

212203103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40591040 (or 40591038 counting only the distinct ones).

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

Adding to 212203103212 its reverse (212301302212), we get a palindrome (424504405424).

The spelling of 212203103212 in words is "two hundred twelve billion, two hundred three million, one hundred three thousand, two hundred twelve".