20221222210312 has 16 divisors (see below), whose sum is σ = 38141826327360. Its totient is φ = 10050068523024.

The previous prime is 20221222210291. The next prime is 20221222210381. The reversal of 20221222210312 is 21301222212202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7567821348 + ... + 7567824019.

It is an arithmetic number, because the mean of its divisors is an integer number (2383864145460).

Almost surely, 2^{20221222210312} is an apocalyptic number.

It is an amenable number.

20221222210312 is a deficient number, since it is larger than the sum of its proper divisors (17920604117048).

20221222210312 is a wasteful number, since it uses less digits than its factorization.

20221222210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135645540 (or 15135645536 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20221222210312 its reverse (21301222212202), we get a palindrome (41522444422514).

The spelling of 20221222210312 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred ten thousand, three hundred twelve".