20222102222012 has 48 divisors (see below), whose sum is σ = 36382154830560. Its totient is φ = 9831066854400.

The previous prime is 20222102222009. The next prime is 20222102222017. The reversal of 20222102222012 is 21022220122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222102222017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87334712 + ... + 87565952.

It is an arithmetic number, because the mean of its divisors is an integer number (757961558970).

Almost surely, 2^{20222102222012} is an apocalyptic number.

It is an amenable number.

20222102222012 is a deficient number, since it is larger than the sum of its proper divisors (16160052608548).

20222102222012 is a wasteful number, since it uses less digits than its factorization.

20222102222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235422 (or 235420 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20222102222012 its reverse (21022220122202), we get a palindrome (41244322344214).

The spelling of 20222102222012 in words is "twenty trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty-two thousand, twelve".