22020020122212 has 144 divisors (see below), whose sum is σ = 63727330867200. Its totient is φ = 6280175724480.

The previous prime is 22020020122211. The next prime is 22020020122307. The reversal of 22020020122212 is 21222102002022.

22020020122212 is a `hidden beast` number, since 220 + 20 + 0 + 201 + 2 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22020020122211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 323262037 + ... + 323330147.

It is an arithmetic number, because the mean of its divisors is an integer number (442550908800).

Almost surely, 2^{22020020122212} is an apocalyptic number.

It is an amenable number.

22020020122212 is an abundant number, since it is smaller than the sum of its proper divisors (41707310744988).

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

22020020122212 is a wasteful number, since it uses less digits than its factorization.

22020020122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70406 (or 70401 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22020020122212 its reverse (21222102002022), we get a palindrome (43242122124234).

The spelling of 22020020122212 in words is "twenty-two trillion, twenty billion, twenty million, one hundred twenty-two thousand, two hundred twelve".