20222120012 has 24 divisors (see below), whose sum is σ = 36542685312. Its totient is φ = 9781574400.

The previous prime is 20222120011. The next prime is 20222120047. The reversal of 20222120012 is 21002122202.

It is not an unprimeable number, because it can be changed into a prime (20222120011) 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, 360878 + ... + 413130.

It is an arithmetic number, because the mean of its divisors is an integer number (1522611888).

Almost surely, 2^20222120012 is an apocalyptic number.

It is an amenable number.

20222120012 is a deficient number, since it is larger than the sum of its proper divisors (16320565300).

20222120012 is a wasteful number, since it uses less digits than its factorization.

20222120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55409 (or 55407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20222120012 its reverse (21002122202), we get a palindrome (41224242214).

The spelling of 20222120012 in words is "twenty billion, two hundred twenty-two million, one hundred twenty thousand, twelve".