20022120122212 has 24 divisors (see below), whose sum is σ = 38951221283072. Its totient is φ = 8942882436000.

The previous prime is 20022120122167. The next prime is 20022120122219. The reversal of 20022120122212 is 21222102122002.

It is a self number, because there is not a number n which added to its sum of digits gives 20022120122212.

It is not an unprimeable number, because it can be changed into a prime (20022120122219) 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, 6210333414 + ... + 6210336637.

Almost surely, 2^{20022120122212} is an apocalyptic number.

It is an amenable number.

20022120122212 is a deficient number, since it is larger than the sum of its proper divisors (18929101160860).

20022120122212 is a wasteful number, since it uses less digits than its factorization.

20022120122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420670099 (or 12420670097 counting only the distinct ones).

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

Adding to 20022120122212 its reverse (21222102122002), we get a palindrome (41244222244214).

The spelling of 20022120122212 in words is "twenty trillion, twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twelve".