201224211212 has 48 divisors (see below), whose sum is σ = 370004167680. Its totient is φ = 95672472192.

The previous prime is 201224211163. The next prime is 201224211239. The reversal of 201224211212 is 212112422102.

It is a happy number.

201224211212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810089 + ... + 1028927.

It is an arithmetic number, because the mean of its divisors is an integer number (7708420160).

Almost surely, 2^201224211212 is an apocalyptic number.

It is an amenable number.

201224211212 is a deficient number, since it is larger than the sum of its proper divisors (168779956468).

201224211212 is a wasteful number, since it uses less digits than its factorization.

201224211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219030 (or 219028 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201224211212 its reverse (212112422102), we get a palindrome (413336633314).

The spelling of 201224211212 in words is "two hundred one billion, two hundred twenty-four million, two hundred eleven thousand, two hundred twelve".