201223204412 has 6 divisors (see below), whose sum is σ = 352140607728. Its totient is φ = 100611602204.

The previous prime is 201223204393. The next prime is 201223204421. The reversal of 201223204412 is 214402322102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25152900548 + ... + 25152900555.

It is an arithmetic number, because the mean of its divisors is an integer number (58690101288).

Almost surely, 2^201223204412 is an apocalyptic number.

It is an amenable number.

201223204412 is a deficient number, since it is larger than the sum of its proper divisors (150917403316).

201223204412 is a wasteful number, since it uses less digits than its factorization.

201223204412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50305801107 (or 50305801105 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 201223204412 its reverse (214402322102), we get a palindrome (415625526514).

The spelling of 201223204412 in words is "two hundred one billion, two hundred twenty-three million, two hundred four thousand, four hundred twelve".