22100302231212 has 24 divisors (see below), whose sum is σ = 51579479851200. Its totient is φ = 7365037699216.

The previous prime is 22100302231211. The next prime is 22100302231229. The reversal of 22100302231212 is 21213220300122.

It is not an unprimeable number, because it can be changed into a prime (22100302231211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216160662 + ... + 216262877.

It is an arithmetic number, because the mean of its divisors is an integer number (2149144993800).

Almost surely, 2^{22100302231212} is an apocalyptic number.

It is an amenable number.

22100302231212 is an abundant number, since it is smaller than the sum of its proper divisors (29479177619988).

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

22100302231212 is a wasteful number, since it uses less digits than its factorization.

22100302231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432427805 (or 432427803 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22100302231212 its reverse (21213220300122), we get a palindrome (43313522531334).

The spelling of 22100302231212 in words is "twenty-two trillion, one hundred billion, three hundred two million, two hundred thirty-one thousand, two hundred twelve".