22022001020012 has 24 divisors (see below), whose sum is σ = 44538878472480. Its totient is φ = 9331955487360.

The previous prime is 22022001019999. The next prime is 22022001020017. The reversal of 22022001020012 is 21002010022022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22022001020017) 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, 4418537039 + ... + 4418542022.

It is an arithmetic number, because the mean of its divisors is an integer number (1855786603020).

Almost surely, 2^{22022001020012} is an apocalyptic number.

It is an amenable number.

22022001020012 is an abundant number, since it is smaller than the sum of its proper divisors (22516877452468).

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

22022001020012 is a wasteful number, since it uses less digits than its factorization.

22022001020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837079161 (or 8837079159 counting only the distinct ones).

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

Adding to 22022001020012 its reverse (21002010022022), we get a palindrome (43024011042034).

The spelling of 22022001020012 in words is "twenty-two trillion, twenty-two billion, one million, twenty thousand, twelve".