201022323212 has 12 divisors (see below), whose sum is σ = 352321277616. Its totient is φ = 100359101040.

The previous prime is 201022323211. The next prime is 201022323247. The reversal of 201022323212 is 212323220102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201022323211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38012168 + ... + 38017455.

It is an arithmetic number, because the mean of its divisors is an integer number (29360106468).

Almost surely, 2^201022323212 is an apocalyptic number.

It is an amenable number.

201022323212 is a deficient number, since it is larger than the sum of its proper divisors (151298954404).

201022323212 is a wasteful number, since it uses less digits than its factorization.

201022323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76030288 (or 76030286 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201022323212 its reverse (212323220102), we get a palindrome (413345543314).

The spelling of 201022323212 in words is "two hundred one billion, twenty-two million, three hundred twenty-three thousand, two hundred twelve".