22020211212 has 24 divisors (see below), whose sum is σ = 53152234800. Its totient is φ = 7086964416.

The previous prime is 22020211181. The next prime is 22020211237. The reversal of 22020211212 is 21211202022.

It is a junction number, because it is equal to n+sod(n) for n = 22020211191 and 22020211200.

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, 31637887 + ... + 31638582.

It is an arithmetic number, because the mean of its divisors is an integer number (2214676450).

Almost surely, 2^22020211212 is an apocalyptic number.

It is an amenable number.

22020211212 is an abundant number, since it is smaller than the sum of its proper divisors (31132023588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020211212 is a wasteful number, since it uses less digits than its factorization.

22020211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63276505 (or 63276503 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020211212 its reverse (21211202022), we get a palindrome (43231413234).

The spelling of 22020211212 in words is "twenty-two billion, twenty million, two hundred eleven thousand, two hundred twelve".