22022120121212 has 24 divisors (see below), whose sum is σ = 41875678333440. Its totient is φ = 10095029596080.

The previous prime is 22022120121161. The next prime is 22022120121277. The reversal of 22022120121212 is 21212102122022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4673622458 + ... + 4673627169.

It is an arithmetic number, because the mean of its divisors is an integer number (1744819930560).

Almost surely, 2^{22022120121212} is an apocalyptic number.

It is an amenable number.

22022120121212 is a deficient number, since it is larger than the sum of its proper divisors (19853558212228).

22022120121212 is a wasteful number, since it uses less digits than its factorization.

22022120121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347249681 (or 9347249679 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22022120121212 its reverse (21212102122022), we get a palindrome (43234222243234).

The spelling of 22022120121212 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twelve".