201223203112 has 16 divisors (see below), whose sum is σ = 377301474900. Its totient is φ = 100609476480.

The previous prime is 201223203073. The next prime is 201223203127. The reversal of 201223203112 is 211302322102.

It can be written as a sum of positive squares in 2 ways, for example, as 151496879076 + 49726324036 = 389226^2 + 222994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201223203112.

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, 180964 + ... + 659692.

Almost surely, 2^201223203112 is an apocalyptic number.

It is an amenable number.

201223203112 is a deficient number, since it is larger than the sum of its proper divisors (176078271788).

201223203112 is a wasteful number, since it uses less digits than its factorization.

201223203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531276 (or 531272 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201223203112 its reverse (211302322102), we get a palindrome (412525525214).

The spelling of 201223203112 in words is "two hundred one billion, two hundred twenty-three million, two hundred three thousand, one hundred twelve".