22020010020012 has 24 divisors (see below), whose sum is σ = 51380187582976. Its totient is φ = 7339979882448.

The previous prime is 22020010019999. The next prime is 22020010020013. The reversal of 22020010020012 is 21002001002022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22020010020012.

It is not an unprimeable number, because it can be changed into a prime (22020010020013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213593 + ... + 6746319.

Almost surely, 2^{22020010020012} is an apocalyptic number.

It is an amenable number.

22020010020012 is an abundant number, since it is smaller than the sum of its proper divisors (29360177562964).

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

22020010020012 is a wasteful number, since it uses less digits than its factorization.

22020010020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864397 (or 5864395 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020010020012 its reverse (21002001002022), we get a palindrome (43022011022034).

The spelling of 22020010020012 in words is "twenty-two trillion, twenty billion, ten million, twenty thousand, twelve".