212200001212 has 6 divisors (see below), whose sum is σ = 371350002128. Its totient is φ = 106100000604.

The previous prime is 212200001197. The next prime is 212200001219. The reversal of 212200001212 is 212100002212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212200001192 and 212200001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200001219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525000148 + ... + 26525000155.

Almost surely, 2^212200001212 is an apocalyptic number.

It is an amenable number.

212200001212 is a deficient number, since it is larger than the sum of its proper divisors (159150000916).

212200001212 is a wasteful number, since it uses less digits than its factorization.

212200001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53050000307 (or 53050000305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212200001212 its reverse (212100002212), we get a palindrome (424300003424).

The spelling of 212200001212 in words is "two hundred twelve billion, two hundred million, one thousand, two hundred twelve".