201223424212 has 12 divisors (see below), whose sum is σ = 352296204820. Its totient is φ = 100567365696.

The previous prime is 201223424209. The next prime is 201223424371. The reversal of 201223424212 is 212424322102.

It can be written as a sum of positive squares in 2 ways, for example, as 11836569616 + 189386854596 = 108796^2 + 435186^2 .

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, 11076393 + ... + 11094544.

Almost surely, 2^201223424212 is an apocalyptic number.

It is an amenable number.

201223424212 is a deficient number, since it is larger than the sum of its proper divisors (151072780608).

201223424212 is a wasteful number, since it uses less digits than its factorization.

201223424212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22173210 (or 22173208 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201223424212 its reverse (212424322102), we get a palindrome (413647746314).

The spelling of 201223424212 in words is "two hundred one billion, two hundred twenty-three million, four hundred twenty-four thousand, two hundred twelve".