212203222012 has 48 divisors (see below), whose sum is σ = 389455153920. Its totient is φ = 100977421952.

The previous prime is 212203221977. The next prime is 212203222043. The reversal of 212203222012 is 210222302212.

212203222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212203222012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 57993039 + ... + 57996697.

It is an arithmetic number, because the mean of its divisors is an integer number (8113649040).

Almost surely, 2^212203222012 is an apocalyptic number.

It is an amenable number.

212203222012 is a deficient number, since it is larger than the sum of its proper divisors (177251931908).

212203222012 is a wasteful number, since it uses less digits than its factorization.

212203222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690 (or 6688 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212203222012 its reverse (210222302212), we get a palindrome (422425524224).

The spelling of 212203222012 in words is "two hundred twelve billion, two hundred three million, two hundred twenty-two thousand, twelve".