201223032312 has 16 divisors (see below), whose sum is σ = 503057580840. Its totient is φ = 67074344096.

The previous prime is 201223032299. The next prime is 201223032349. The reversal of 201223032312 is 213230322102.

It is a happy number.

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, 4192146483 + ... + 4192146530.

Almost surely, 2^201223032312 is an apocalyptic number.

It is an amenable number.

201223032312 is an abundant number, since it is smaller than the sum of its proper divisors (301834548528).

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

201223032312 is a wasteful number, since it uses less digits than its factorization.

201223032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384293022 (or 8384293018 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201223032312 its reverse (213230322102), we get a palindrome (414453354414).

The spelling of 201223032312 in words is "two hundred one billion, two hundred twenty-three million, thirty-two thousand, three hundred twelve".