22201031212 has 12 divisors (see below), whose sum is σ = 38852857456. Its totient is φ = 11100214800.

The previous prime is 22201031201. The next prime is 22201031219. The reversal of 22201031212 is 21213010222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22201031219) 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, 217078 + ... + 302530.

Almost surely, 2^22201031212 is an apocalyptic number.

It is an amenable number.

22201031212 is a deficient number, since it is larger than the sum of its proper divisors (16651826244).

22201031212 is a wasteful number, since it uses less digits than its factorization.

22201031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150408 (or 150406 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22201031212 its reverse (21213010222), we get a palindrome (43414041434).

The spelling of 22201031212 in words is "twenty-two billion, two hundred one million, thirty-one thousand, two hundred twelve".