22120012022212 has 24 divisors (see below), whose sum is σ = 41688471144600. Its totient is φ = 10209051131136.

The previous prime is 22120012022153. The next prime is 22120012022219. The reversal of 22120012022212 is 21222021002122.

It can be written as a sum of positive squares in 4 ways, for example, as 2263773013056 + 19856239009156 = 1504584^2 + 4456034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22120012022212.

It is not an unprimeable number, because it can be changed into a prime (22120012022219) 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, 942787 + ... + 6717802.

It is an arithmetic number, because the mean of its divisors is an integer number (1737019631025).

Almost surely, 2^{22120012022212} is an apocalyptic number.

It is an amenable number.

22120012022212 is a deficient number, since it is larger than the sum of its proper divisors (19568459122388).

22120012022212 is a wasteful number, since it uses less digits than its factorization.

22120012022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716135 (or 7716133 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22120012022212 its reverse (21222021002122), we get a palindrome (43342033024334).

The spelling of 22120012022212 in words is "twenty-two trillion, one hundred twenty billion, twelve million, twenty-two thousand, two hundred twelve".