201013223212 has 12 divisors (see below), whose sum is σ = 351832413240. Its totient is φ = 100489676576.

The previous prime is 201013223209. The next prime is 201013223219. The reversal of 201013223212 is 212322310102.

It is a self number, because there is not a number n which added to its sum of digits gives 201013223212.

It is not an unprimeable number, because it can be changed into a prime (201013223219) 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, 4207033 + ... + 4254544.

It is an arithmetic number, because the mean of its divisors is an integer number (29319367770).

Almost surely, 2^201013223212 is an apocalyptic number.

It is an amenable number.

201013223212 is a deficient number, since it is larger than the sum of its proper divisors (150819190028).

201013223212 is a wasteful number, since it uses less digits than its factorization.

201013223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467520 (or 8467518 counting only the distinct ones).

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

Adding to 201013223212 its reverse (212322310102), we get a palindrome (413335533314).

The spelling of 201013223212 in words is "two hundred one billion, thirteen million, two hundred twenty-three thousand, two hundred twelve".