22210022220012 has 96 divisors (see below), whose sum is σ = 62841051705600. Its totient is φ = 6727649702400.

The previous prime is 22210022219963. The next prime is 22210022220013. The reversal of 22210022220012 is 21002222001222.

22210022220012 is a `hidden beast` number, since 22 + 210 + 0 + 222 + 200 + 12 = 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 (22210022220013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686437 + ... + 6700092.

It is an arithmetic number, because the mean of its divisors is an integer number (654594288600).

Almost surely, 2^{22210022220012} is an apocalyptic number.

22210022220012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22210022220012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31420525852800).

22210022220012 is an abundant number, since it is smaller than the sum of its proper divisors (40631029485588).

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

22210022220012 is a wasteful number, since it uses less digits than its factorization.

22210022220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389084 (or 7389076 counting only the distinct ones).

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

Adding to 22210022220012 its reverse (21002222001222), we get a palindrome (43212244221234).

It can be divided in two parts, 22 and 210022220012, that multiplied together give a palindrome (4620488840264).

The spelling of 22210022220012 in words is "twenty-two trillion, two hundred ten billion, twenty-two million, two hundred twenty thousand, twelve".