201223220212 has 24 divisors (see below), whose sum is σ = 402461682560. Its totient is φ = 86235256800.

The previous prime is 201223220171. The next prime is 201223220269. The reversal of 201223220212 is 212022322102.

201223220212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201223220212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708337 + ... + 950887.

Almost surely, 2^201223220212 is an apocalyptic number.

It is an amenable number.

201223220212 is an abundant number, since it is smaller than the sum of its proper divisors (201238462348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201223220212 is a wasteful number, since it uses less digits than its factorization.

201223220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272191 (or 272189 counting only the distinct ones).

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

Adding to 201223220212 its reverse (212022322102), we get a palindrome (413245542314).

The spelling of 201223220212 in words is "two hundred one billion, two hundred twenty-three million, two hundred twenty thousand, two hundred twelve".